diff --git a/app/controllers/widget_tests_controller.rb b/app/controllers/widget_tests_controller.rb
index fff47d907..6d6742cf4 100644
--- a/app/controllers/widget_tests_controller.rb
+++ b/app/controllers/widget_tests_controller.rb
@@ -3,6 +3,7 @@ class WidgetTestsController < ActionController::Base
   before_action :ensure_widget_position
   before_action :ensure_widget_type
   before_action :ensure_widget_style
+  before_action :ensure_dark_mode
 
   def index
     render
@@ -14,6 +15,10 @@ class WidgetTestsController < ActionController::Base
     @widget_style = params[:widget_style] || 'standard'
   end
 
+  def ensure_dark_mode
+    @dark_mode = params[:dark_mode] || 'light'
+  end
+
   def ensure_widget_position
     @widget_position = params[:position] || 'left'
   end
diff --git a/app/javascript/dashboard/routes/dashboard/settings/agents/Index.vue b/app/javascript/dashboard/routes/dashboard/settings/agents/Index.vue
index c3a75b0f6..5714582d5 100644
--- a/app/javascript/dashboard/routes/dashboard/settings/agents/Index.vue
+++ b/app/javascript/dashboard/routes/dashboard/settings/agents/Index.vue
@@ -35,7 +35,9 @@
                 </td>
                 <!-- Agent Name + Email -->
                 <td>
-                  <span class="agent-name">{{ agent.name }}</span>
+                  <span class="agent-name">
+                    {{ agent.name }}
+                  </span>
                   <span>{{ agent.email }}</span>
                 </td>
                 <!-- Agent Role + Verification Status -->
diff --git a/app/javascript/packs/sdk.js b/app/javascript/packs/sdk.js
index 76e1a2cd8..b77b682dd 100755
--- a/app/javascript/packs/sdk.js
+++ b/app/javascript/packs/sdk.js
@@ -1,6 +1,10 @@
 import Cookies from 'js-cookie';
 import { IFrameHelper } from '../sdk/IFrameHelper';
-import { getBubbleView } from '../sdk/settingsHelper';
+import {
+  getBubbleView,
+  getDarkMode,
+  getWidgetStyle,
+} from '../sdk/settingsHelper';
 import {
   computeHashForUserData,
   getUserCookieName,
@@ -24,8 +28,9 @@ const runSDK = ({ baseUrl, websiteToken }) => {
     type: getBubbleView(chatwootSettings.type),
     launcherTitle: chatwootSettings.launcherTitle || '',
     showPopoutButton: chatwootSettings.showPopoutButton || false,
-    widgetStyle: chatwootSettings.widgetStyle || 'standard',
+    widgetStyle: getWidgetStyle(chatwootSettings.widgetStyle) || 'standard',
     resetTriggered: false,
+    darkMode: getDarkMode(chatwootSettings.darkMode),
 
     toggle(state) {
       IFrameHelper.events.toggleBubble(state);
diff --git a/app/javascript/sdk/IFrameHelper.js b/app/javascript/sdk/IFrameHelper.js
index df36d8e0d..3bc0973fe 100644
--- a/app/javascript/sdk/IFrameHelper.js
+++ b/app/javascript/sdk/IFrameHelper.js
@@ -145,6 +145,7 @@ export const IFrameHelper = {
         hideMessageBubble: window.$chatwoot.hideMessageBubble,
         showPopoutButton: window.$chatwoot.showPopoutButton,
         widgetStyle: window.$chatwoot.widgetStyle,
+        darkMode: window.$chatwoot.darkMode,
       });
       IFrameHelper.onLoad({
         widgetColor: message.config.channelConfig.widgetColor,
diff --git a/app/javascript/sdk/constants.js b/app/javascript/sdk/constants.js
index 52faf1540..7bf84d430 100644
--- a/app/javascript/sdk/constants.js
+++ b/app/javascript/sdk/constants.js
@@ -1,2 +1,3 @@
 export const BUBBLE_DESIGN = ['standard', 'expanded_bubble'];
 export const WIDGET_DESIGN = ['standard', 'flat'];
+export const DARK_MODE = ['light', 'auto'];
diff --git a/app/javascript/sdk/settingsHelper.js b/app/javascript/sdk/settingsHelper.js
index 4e256b53a..657db1fe0 100644
--- a/app/javascript/sdk/settingsHelper.js
+++ b/app/javascript/sdk/settingsHelper.js
@@ -1,4 +1,4 @@
-import { BUBBLE_DESIGN, WIDGET_DESIGN } from './constants';
+import { BUBBLE_DESIGN, DARK_MODE, WIDGET_DESIGN } from './constants';
 
 export const getBubbleView = type =>
   BUBBLE_DESIGN.includes(type) ? type : BUBBLE_DESIGN[0];
@@ -9,3 +9,6 @@ export const getWidgetStyle = style =>
   WIDGET_DESIGN.includes(style) ? style : WIDGET_DESIGN[0];
 
 export const isFlatWidgetStyle = style => style === 'flat';
+
+export const getDarkMode = darkMode =>
+  DARK_MODE.includes(darkMode) ? darkMode : DARK_MODE[0];
diff --git a/app/javascript/shared/components/ChatCard.vue b/app/javascript/shared/components/ChatCard.vue
index 4e856bb6b..eb6e13364 100644
--- a/app/javascript/shared/components/ChatCard.vue
+++ b/app/javascript/shared/components/ChatCard.vue
@@ -1,11 +1,14 @@
 <template>
-  <div class="card-message chat-bubble agent">
+  <div
+    class="card-message chat-bubble agent"
+    :class="$dm('bg-white', 'dark:bg-slate-700')"
+  >
     <img class="media" :src="mediaUrl" />
     <div class="card-body">
-      <h4 class="title">
+      <h4 class="title" :class="$dm('text-black-900', 'dark:text-slate-50')">
         {{ title }}
       </h4>
-      <p class="body">
+      <p class="body" :class="$dm('text-black-700', 'dark:text-slate-100')">
         {{ description }}
       </p>
       <card-button
@@ -19,11 +22,13 @@
 
 <script>
 import CardButton from 'shared/components/CardButton';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
   components: {
     CardButton,
   },
+  mixins: [darkModeMixin],
   props: {
     title: {
       type: String,
@@ -52,7 +57,6 @@ export default {
 @import '~dashboard/assets/scss/mixins.scss';
 
 .card-message {
-  background: white;
   max-width: 220px;
   padding: $space-small;
   border-radius: $space-small;
@@ -63,12 +67,10 @@ export default {
     font-weight: $font-weight-medium;
     margin-top: $space-smaller;
     margin-bottom: $space-smaller;
-    color: $color-heading;
     line-height: 1.5;
   }
 
   .body {
-    color: $color-body;
     margin-bottom: $space-smaller;
   }
 
@@ -77,10 +79,11 @@ export default {
     width: 100%;
     object-fit: contain;
     max-height: 150px;
+    border-radius: 5px;
   }
 
   .action-button + .action-button {
-    background: white;
+    background: $color-white;
     @include thin-border($color-woot);
     color: $color-woot;
   }
diff --git a/app/javascript/shared/components/ChatForm.vue b/app/javascript/shared/components/ChatForm.vue
index f943f23c1..3cb6b956c 100644
--- a/app/javascript/shared/components/ChatForm.vue
+++ b/app/javascript/shared/components/ChatForm.vue
@@ -1,5 +1,8 @@
 <template>
-  <div class="form chat-bubble agent">
+  <div
+    class="form chat-bubble agent"
+    :class="$dm('bg-white', 'dark:bg-slate-700')"
+  >
     <form @submit.prevent="onSubmit">
       <div
         v-for="item in items"
@@ -9,10 +12,13 @@
           'has-submitted': hasSubmitted,
         }"
       >
-        <label>{{ item.label }}</label>
+        <label :class="$dm('text-black-900', 'dark:text-slate-50')">{{
+          item.label
+        }}</label>
         <input
           v-if="item.type === 'email'"
           v-model="formValues[item.name]"
+          :class="inputColor"
           :type="item.type"
           :pattern="item.regex"
           :title="item.title"
@@ -24,6 +30,7 @@
         <input
           v-else-if="item.type === 'text'"
           v-model="formValues[item.name]"
+          :class="inputColor"
           :required="item.required && 'required'"
           :pattern="item.pattern"
           :title="item.title"
@@ -35,6 +42,7 @@
         <textarea
           v-else-if="item.type === 'text_area'"
           v-model="formValues[item.name]"
+          :class="inputColor"
           :required="item.required && 'required'"
           :title="item.title"
           :name="item.name"
@@ -44,6 +52,7 @@
         <select
           v-else-if="item.type === 'select'"
           v-model="formValues[item.name]"
+          :class="inputColor"
           :required="item.required && 'required'"
         >
           <option
@@ -73,7 +82,10 @@
 
 <script>
 import { mapGetters } from 'vuex';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
+
 export default {
+  mixins: [darkModeMixin],
   props: {
     buttonLabel: {
       type: String,
@@ -98,6 +110,10 @@ export default {
     ...mapGetters({
       widgetColor: 'appConfig/getWidgetColor',
     }),
+    inputColor() {
+      return `${this.$dm('bg-white', 'dark:bg-slate-600')}
+        ${this.$dm('text-black-900', 'dark:text-slate-50')}`;
+    },
     isFormValid() {
       return this.items.reduce((acc, { name }) => {
         return !!this.formValues[name] && acc;
@@ -186,7 +202,6 @@ export default {
     appearance: none;
     border: 1px solid $color-border;
     border-radius: $space-smaller;
-    background-color: $color-white;
     font-family: inherit;
     font-size: $space-normal;
     font-weight: normal;
diff --git a/app/javascript/shared/components/ChatOption.vue b/app/javascript/shared/components/ChatOption.vue
index 672939356..7532e14d3 100644
--- a/app/javascript/shared/components/ChatOption.vue
+++ b/app/javascript/shared/components/ChatOption.vue
@@ -12,6 +12,7 @@
 
 <script>
 import { mapGetters } from 'vuex';
+
 export default {
   components: {},
   props: {
@@ -51,7 +52,6 @@ export default {
     background: transparent;
     border-radius: $space-large;
     border: 0;
-    color: $color-woot;
     cursor: pointer;
     height: auto;
     line-height: 1.5;
diff --git a/app/javascript/shared/components/ChatOptions.vue b/app/javascript/shared/components/ChatOptions.vue
index 8de14bf94..3a994a583 100644
--- a/app/javascript/shared/components/ChatOptions.vue
+++ b/app/javascript/shared/components/ChatOptions.vue
@@ -1,7 +1,10 @@
 <template>
-  <div class="options-message chat-bubble agent">
+  <div
+    class="options-message chat-bubble agent"
+    :class="$dm('bg-white', 'dark:bg-slate-700')"
+  >
     <div class="card-body">
-      <h4 class="title">
+      <h4 class="title" :class="$dm('text-black-900', 'dark:text-slate-50')">
         {{ title }}
       </h4>
       <ul
@@ -23,11 +26,13 @@
 
 <script>
 import ChatOption from 'shared/components/ChatOption';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
   components: {
     ChatOption,
   },
+  mixins: [darkModeMixin],
   props: {
     title: {
       type: String,
@@ -80,7 +85,6 @@ export default {
     font-weight: $font-weight-normal;
     margin-top: $space-smaller;
     margin-bottom: $space-smaller;
-    color: $color-heading;
     line-height: 1.5;
   }
 
diff --git a/app/javascript/shared/components/CustomerSatisfaction.vue b/app/javascript/shared/components/CustomerSatisfaction.vue
index 06c7c8369..661bace55 100644
--- a/app/javascript/shared/components/CustomerSatisfaction.vue
+++ b/app/javascript/shared/components/CustomerSatisfaction.vue
@@ -1,6 +1,10 @@
 <template>
-  <div class="customer-satisfcation" :style="{ borderColor: widgetColor }">
-    <h6 class="title">
+  <div
+    class="customer-satisfaction"
+    :class="$dm('bg-white', 'dark:bg-slate-700')"
+    :style="{ borderColor: widgetColor }"
+  >
+    <h6 class="title" :class="$dm('text-slate-900', 'dark:text-slate-50')">
       {{ title }}
     </h6>
     <div class="ratings">
@@ -21,8 +25,9 @@
       <input
         v-model="feedback"
         class="form-input"
+        :class="inputColor"
         :placeholder="$t('CSAT.PLACEHOLDER')"
-        @keyup.enter="onSubmit"
+        @keydown.enter="onSubmit"
       />
       <button
         class="button small"
@@ -41,12 +46,14 @@ import { mapGetters } from 'vuex';
 import Spinner from 'shared/components/Spinner';
 import { CSAT_RATINGS } from 'shared/constants/messages';
 import FluentIcon from 'shared/components/FluentIcon/Index.vue';
+import darkModeMixin from 'widget/mixins/darkModeMixin';
 
 export default {
   components: {
     Spinner,
     FluentIcon,
   },
+  mixins: [darkModeMixin],
   props: {
     messageContentAttributes: {
       type: Object,
@@ -67,9 +74,7 @@ export default {
     };
   },
   computed: {
-    ...mapGetters({
-      widgetColor: 'appConfig/getWidgetColor',
-    }),
+    ...mapGetters({ widgetColor: 'appConfig/getWidgetColor' }),
     isRatingSubmitted() {
       return this.messageContentAttributes?.csat_survey_response?.rating;
     },
@@ -80,6 +85,10 @@ export default {
     isButtonDisabled() {
       return !(this.selectedRating && this.feedback);
     },
+    inputColor() {
+      return `${this.$dm('bg-white', 'dark:bg-slate-600')}
+        ${this.$dm('text-black-900', 'dark:text-slate-50')}`;
+    },
     title() {
       return this.isRatingSubmitted
         ? this.$t('CSAT.SUBMITTED_TITLE')
@@ -136,10 +145,9 @@ export default {
 @import '~widget/assets/scss/variables.scss';
 @import '~widget/assets/scss/mixins.scss';
 
-.customer-satisfcation {
+.customer-satisfaction {
   @include light-shadow;
 
-  background: $color-white;
   border-bottom-left-radius: $space-smaller;
   border-radius: $space-small;
   border-top: $space-micro solid $color-woot;
@@ -193,6 +201,10 @@ export default {
       border-top: 1px solid $color-border;
       padding: $space-one;
       width: 100%;
+
+      &::placeholder {
+        color: $color-light-gray;
+      }
     }
 
     .button {
diff --git a/app/javascript/shared/components/DateSeparator.vue b/app/javascript/shared/components/DateSeparator.vue
index 487da2f76..32ae6e10c 100644
--- a/app/javascript/shared/components/DateSeparator.vue
+++ b/app/javascript/shared/components/DateSeparator.vue
@@ -1,12 +1,18 @@
 <template>
-  <div class="date--separator">
+  <div
+    class="date--separator"
+    :class="$dm('text-slate-700', 'dark:text-slate-200')"
+  >
     {{ formattedDate }}
   </div>
 </template>
 
 <script>
 import { formatDate } from 'shared/helpers/DateHelper';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
+
 export default {
+  mixins: [darkModeMixin],
   props: {
     date: {
       type: String,
@@ -30,7 +36,6 @@ export default {
 
 .date--separator {
   font-size: $font-size-default;
-  color: $color-body;
   height: 50px;
   line-height: 50px;
   position: relative;
diff --git a/app/javascript/shared/components/ResizableTextArea.vue b/app/javascript/shared/components/ResizableTextArea.vue
index 402ec0298..6c7f8a78a 100644
--- a/app/javascript/shared/components/ResizableTextArea.vue
+++ b/app/javascript/shared/components/ResizableTextArea.vue
@@ -12,7 +12,6 @@
 
 <script>
 const TYPING_INDICATOR_IDLE_TIME = 4000;
-
 export default {
   props: {
     placeholder: {
diff --git a/app/javascript/shared/components/specs/DateSeparator.spec.js b/app/javascript/shared/components/specs/DateSeparator.spec.js
index 6379fbf77..95b34f4f0 100644
--- a/app/javascript/shared/components/specs/DateSeparator.spec.js
+++ b/app/javascript/shared/components/specs/DateSeparator.spec.js
@@ -1,17 +1,52 @@
-import { mount } from '@vue/test-utils';
 import DateSeparator from '../DateSeparator';
+import { createLocalVue, shallowMount } from '@vue/test-utils';
+import Vuex from 'vuex';
+import VueI18n from 'vue-i18n';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
+const localVue = createLocalVue();
+import i18n from 'dashboard/i18n';
+localVue.use(Vuex);
+localVue.use(VueI18n);
 
-describe('DateSeparator', () => {
-  test('matches snapshot', () => {
-    const wrapper = mount(DateSeparator, {
+const i18nConfig = new VueI18n({
+  locale: 'en',
+  messages: i18n,
+});
+
+describe('dateSeparator', () => {
+  let store = null;
+  let actions = null;
+  let modules = null;
+  let dateSeparator = null;
+
+  beforeEach(() => {
+    actions = {};
+
+    modules = {
+      auth: {
+        getters: {
+          'appConfig/darkMode': () => 'light',
+        },
+      },
+    };
+    store = new Vuex.Store({
+      actions,
+      modules,
+    });
+
+    dateSeparator = shallowMount(DateSeparator, {
+      store,
+      localVue,
       propsData: {
         date: 'Nov 18, 2019',
       },
-      mocks: {
-        $t: () => {},
-      },
+      i18n: i18nConfig,
+      mixins: [darkModeMixin],
     });
-    expect(wrapper.vm).toBeTruthy();
-    expect(wrapper.element).toMatchSnapshot();
+  });
+
+  it('date separator snapshot', () => {
+    expect(dateSeparator.vm).toBeTruthy();
+    expect(dateSeparator.element).toMatchSnapshot();
   });
 });
diff --git a/app/javascript/shared/components/specs/__snapshots__/DateSeparator.spec.js.snap b/app/javascript/shared/components/specs/__snapshots__/DateSeparator.spec.js.snap
index 4ddc499f9..3b9f2f34e 100644
--- a/app/javascript/shared/components/specs/__snapshots__/DateSeparator.spec.js.snap
+++ b/app/javascript/shared/components/specs/__snapshots__/DateSeparator.spec.js.snap
@@ -1,8 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`DateSeparator matches snapshot 1`] = `
+exports[`dateSeparator date separator snapshot 1`] = `
 <div
-  class="date--separator"
+  class="date--separator text-slate-700"
 >
   
   Nov 18, 2019
diff --git a/app/javascript/widget/assets/scss/views/_conversation.scss b/app/javascript/widget/assets/scss/views/_conversation.scss
index 7de312eac..7124c52fb 100644
--- a/app/javascript/widget/assets/scss/views/_conversation.scss
+++ b/app/javascript/widget/assets/scss/views/_conversation.scss
@@ -42,7 +42,6 @@
   }
 
   .agent-name {
-    color: $color-body;
     font-size: $font-size-small;
     font-weight: $font-weight-medium;
     margin: $space-small 0;
@@ -210,7 +209,6 @@
 
 .chat-bubble {
   @include light-shadow;
-  background: $color-woot;
   border-radius: $space-two;
   color: $color-white;
   display: inline-block;
@@ -242,7 +240,6 @@
   }
 
   &.agent {
-    background: $color-white;
     border-bottom-left-radius: $space-smaller;
     color: $color-body;
 
diff --git a/app/javascript/widget/components/AgentMessage.vue b/app/javascript/widget/components/AgentMessage.vue
index f3d499126..186b47bd3 100755
--- a/app/javascript/widget/components/AgentMessage.vue
+++ b/app/javascript/widget/components/AgentMessage.vue
@@ -24,7 +24,7 @@
         <div
           v-if="hasAttachments"
           class="chat-bubble has-attachment agent"
-          :class="wrapClass"
+          :class="(wrapClass, $dm('bg-white', 'dark:bg-slate-50'))"
         >
           <div v-for="attachment in message.attachments" :key="attachment.id">
             <image-bubble
@@ -40,7 +40,11 @@
             <file-bubble v-else :url="attachment.data_url" />
           </div>
         </div>
-        <p v-if="message.showAvatar || hasRecordedResponse" class="agent-name">
+        <p
+          v-if="message.showAvatar || hasRecordedResponse"
+          class="agent-name"
+          :class="$dm('text-slate-700', 'dark:text-slate-200')"
+        >
           {{ agentName }}
         </p>
       </div>
@@ -68,6 +72,8 @@ import { MESSAGE_TYPE } from 'widget/helpers/constants';
 import configMixin from '../mixins/configMixin';
 import messageMixin from '../mixins/messageMixin';
 import { isASubmittedFormMessage } from 'shared/helpers/MessageTypeHelper';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
+
 export default {
   name: 'AgentMessage',
   components: {
@@ -77,7 +83,7 @@ export default {
     UserMessage,
     FileBubble,
   },
-  mixins: [timeMixin, configMixin, messageMixin],
+  mixins: [timeMixin, configMixin, messageMixin, darkModeMixin],
   props: {
     message: {
       type: Object,
diff --git a/app/javascript/widget/components/AgentMessageBubble.vue b/app/javascript/widget/components/AgentMessageBubble.vue
index 467b99b47..b4a304914 100755
--- a/app/javascript/widget/components/AgentMessageBubble.vue
+++ b/app/javascript/widget/components/AgentMessageBubble.vue
@@ -5,8 +5,13 @@
         !isCards && !isOptions && !isForm && !isArticle && !isCards && !isCSAT
       "
       class="chat-bubble agent"
+      :class="$dm('bg-white', 'dark:bg-slate-700')"
     >
-      <div class="message-content" v-html="formatMessage(message, false)"></div>
+      <div
+        class="message-content"
+        :class="$dm('text-black-900', 'dark:text-slate-50')"
+        v-html="formatMessage(message, false)"
+      ></div>
       <email-input
         v-if="isTemplateEmail"
         :message-id="messageId"
@@ -60,6 +65,7 @@ import ChatOptions from 'shared/components/ChatOptions';
 import ChatArticle from './template/Article';
 import EmailInput from './template/EmailInput';
 import CustomerSatisfaction from 'shared/components/CustomerSatisfaction';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
   name: 'AgentMessageBubble',
@@ -71,7 +77,7 @@ export default {
     EmailInput,
     CustomerSatisfaction,
   },
-  mixins: [messageFormatterMixin],
+  mixins: [messageFormatterMixin, darkModeMixin],
   props: {
     message: { type: String, default: null },
     contentType: { type: String, default: null },
diff --git a/app/javascript/widget/components/AgentTypingBubble.vue b/app/javascript/widget/components/AgentTypingBubble.vue
index 9e019613a..8e93be85c 100644
--- a/app/javascript/widget/components/AgentTypingBubble.vue
+++ b/app/javascript/widget/components/AgentTypingBubble.vue
@@ -3,7 +3,10 @@
     <div class="agent-message">
       <div class="avatar-wrap"></div>
       <div class="message-wrap">
-        <div class="typing-bubble chat-bubble agent">
+        <div
+          class="typing-bubble chat-bubble agent"
+          :class="$dm('bg-white', 'dark:bg-slate-50')"
+        >
           <img
             src="~widget/assets/images/typing.gif"
             alt="Agent is typing a message"
@@ -15,8 +18,10 @@
 </template>
 
 <script>
+import darkModeMixing from 'widget/mixins/darkModeMixin.js';
 export default {
   name: 'AgentTypingBubble',
+  mixins: [darkModeMixing],
 };
 </script>
 
diff --git a/app/javascript/widget/components/ChatHeader.vue b/app/javascript/widget/components/ChatHeader.vue
index 23e101f11..15ffda422 100644
--- a/app/javascript/widget/components/ChatHeader.vue
+++ b/app/javascript/widget/components/ChatHeader.vue
@@ -1,8 +1,15 @@
 <template>
-  <header class="flex justify-between p-5 w-full">
+  <header
+    class="flex justify-between p-5 w-full"
+    :class="$dm('bg-white', 'dark:bg-slate-900')"
+  >
     <div class="flex items-center">
       <button v-if="showBackButton" @click="onBackButtonClick">
-        <fluent-icon icon="chevron-left" size="24" />
+        <fluent-icon
+          icon="chevron-left"
+          size="24"
+          :class="$dm('text-black-900', 'dark:text-slate-50')"
+        />
       </button>
       <img
         v-if="avatarUrl"
@@ -11,7 +18,10 @@
         alt="avatar"
       />
       <div>
-        <div class="text-black-900 font-medium text-base flex items-center">
+        <div
+          class="font-medium text-base flex items-center"
+          :class="$dm('text-black-900', 'dark:text-slate-50')"
+        >
           <span class="mr-1" v-html="title" />
           <div
             :class="
@@ -20,7 +30,10 @@
             "
           />
         </div>
-        <div class="text-xs mt-1 text-black-700">
+        <div
+          class="text-xs mt-1"
+          :class="$dm('text-black-700', 'dark:text-slate-400')"
+        >
           {{ replyWaitMessage }}
         </div>
       </div>
@@ -36,6 +49,7 @@ import availabilityMixin from 'widget/mixins/availability';
 import FluentIcon from 'shared/components/FluentIcon/Index.vue';
 import HeaderActions from './HeaderActions';
 import routerMixin from 'widget/mixins/routerMixin';
+import darkMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
   name: 'ChatHeader',
@@ -43,7 +57,7 @@ export default {
     FluentIcon,
     HeaderActions,
   },
-  mixins: [availabilityMixin, routerMixin],
+  mixins: [availabilityMixin, routerMixin, darkMixin],
   props: {
     avatarUrl: {
       type: String,
@@ -67,7 +81,9 @@ export default {
     },
   },
   computed: {
-    ...mapGetters({ widgetColor: 'appConfig/getWidgetColor' }),
+    ...mapGetters({
+      widgetColor: 'appConfig/getWidgetColor',
+    }),
     isOnline() {
       const { workingHoursEnabled } = this.channelConfig;
       const anyAgentOnline = this.availableAgents.length > 0;
diff --git a/app/javascript/widget/components/ChatHeaderExpanded.vue b/app/javascript/widget/components/ChatHeaderExpanded.vue
index fc4aab125..fd316c3e0 100755
--- a/app/javascript/widget/components/ChatHeaderExpanded.vue
+++ b/app/javascript/widget/components/ChatHeaderExpanded.vue
@@ -1,5 +1,8 @@
 <template>
-  <header class="header-expanded bg-white py-6 px-5 relative box-border w-full">
+  <header
+    class="header-expanded py-6 px-5 relative box-border w-full"
+    :class="$dm('bg-white', 'dark:bg-slate-900')"
+  >
     <div
       class="flex items-start"
       :class="[avatarUrl ? 'justify-between' : 'justify-end']"
@@ -8,21 +11,29 @@
       <header-actions :show-popout-button="showPopoutButton" />
     </div>
     <h2
-      class="text-slate-900 mt-5 text-3xl mb-3 font-normal"
+      class=" mt-5 text-3xl mb-3 font-normal"
+      :class="$dm('text-slate-900', 'dark:text-slate-50')"
       v-html="introHeading"
     />
-    <p class="text-lg text-black-700 leading-normal" v-html="introBody" />
+    <p
+      class="text-lg leading-normal"
+      :class="$dm('text-slate-700', 'dark:text-slate-200')"
+      v-html="introBody"
+    />
   </header>
 </template>
 
 <script>
 import { mapGetters } from 'vuex';
 import HeaderActions from './HeaderActions';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
+
 export default {
   name: 'ChatHeaderExpanded',
   components: {
     HeaderActions,
   },
+  mixins: [darkModeMixin],
   props: {
     avatarUrl: {
       type: String,
diff --git a/app/javascript/widget/components/ChatInputWrap.vue b/app/javascript/widget/components/ChatInputWrap.vue
index 741eb67b2..4cb3fe043 100755
--- a/app/javascript/widget/components/ChatInputWrap.vue
+++ b/app/javascript/widget/components/ChatInputWrap.vue
@@ -1,7 +1,7 @@
 <template>
   <div
-    class="chat-message--input"
-    :class="{ 'is-focused': isFocused }"
+    class="chat-message--input is-focused"
+    :class="$dm('bg-white ', 'dark:bg-slate-600')"
     @keydown.esc="hideEmojiPicker"
   >
     <resizable-text-area
@@ -10,7 +10,8 @@
       v-model="userInput"
       :aria-label="$t('CHAT_PLACEHOLDER')"
       :placeholder="$t('CHAT_PLACEHOLDER')"
-      class="form-input user-message-input"
+      class="form-input user-message-input is-focused"
+      :class="inputColor"
       @typing-off="onTypingOff"
       @typing-on="onTypingOn"
       @focus="onFocus"
@@ -19,6 +20,7 @@
     <div class="button-wrap">
       <chat-attachment-button
         v-if="showAttachment"
+        :class="$dm('text-black-900', 'dark:text-slate-100')"
         :on-attach="onSendAttachment"
       />
       <button
@@ -27,10 +29,7 @@
         aria-label="Emoji picker"
         @click="toggleEmojiPicker"
       >
-        <fluent-icon
-          icon="emoji"
-          :class="{ 'text-woot-500': showEmojiPicker }"
-        />
+        <fluent-icon icon="emoji" :class="emojiIconColor" />
       </button>
       <emoji-input
         v-if="showEmojiPicker"
@@ -57,6 +56,7 @@ import configMixin from '../mixins/configMixin';
 import EmojiInput from 'shared/components/emoji/EmojiInput';
 import FluentIcon from 'shared/components/FluentIcon/Index.vue';
 import ResizableTextArea from 'shared/components/ResizableTextArea';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
   name: 'ChatInputWrap',
@@ -67,7 +67,7 @@ export default {
     FluentIcon,
     ResizableTextArea,
   },
-  mixins: [clickaway, configMixin],
+  mixins: [clickaway, configMixin, darkModeMixin],
   props: {
     onSendMessage: {
       type: Function,
@@ -98,6 +98,15 @@ export default {
     showSendButton() {
       return this.userInput.length > 0;
     },
+    inputColor() {
+      return `${this.$dm('bg-white', 'dark:bg-slate-600')}
+        ${this.$dm('text-black-900', 'dark:text-slate-50')}`;
+    },
+    emojiIconColor() {
+      return this.showEmojiPicker
+        ? `text-woot-500 ${this.$dm('text-black-900', 'dark:text-slate-100')}`
+        : `${this.$dm('text-black-900', 'dark:text-slate-100')}`;
+    },
   },
   watch: {
     isWidgetOpen(isWidgetOpen) {
diff --git a/app/javascript/widget/components/Form/Input.vue b/app/javascript/widget/components/Form/Input.vue
index a8f1abe9e..4dddef74f 100644
--- a/app/javascript/widget/components/Form/Input.vue
+++ b/app/javascript/widget/components/Form/Input.vue
@@ -1,22 +1,12 @@
 <template>
   <label class="block">
-    <div
-      v-if="label"
-      class="mb-2 text-xs font-medium"
-      :class="{
-        'text-black-800': !error,
-        'text-red-400': error,
-      }"
-    >
+    <div v-if="label" class="mb-2 text-xs font-medium" :class="labelClass">
       {{ label }}
     </div>
     <input
       :type="type"
-      class="border rounded w-full py-2 px-3 text-slate-700 leading-tight outline-none"
-      :class="{
-        'border-black-200 hover:border-black-300 focus:border-black-300': !error,
-        'border-red-200 hover:border-red-300 focus:border-red-300': error,
-      }"
+      class="border rounded w-full py-2 px-3 leading-tight outline-none"
+      :class="inputHasError"
       :placeholder="placeholder"
       :value="value"
       @change="onChange"
@@ -27,7 +17,9 @@
   </label>
 </template>
 <script>
+import darkModeMixin from 'widget/mixins/darkModeMixin';
 export default {
+  mixins: [darkModeMixin],
   props: {
     label: {
       type: String,
@@ -50,6 +42,27 @@ export default {
       default: '',
     },
   },
+  computed: {
+    labelClass() {
+      return this.error
+        ? `text-red-400 ${this.$dm('text-black-800', 'dark:text-slate-50')}`
+        : `text-black-800 ${this.$dm('text-black-800', 'dark:text-slate-50')}`;
+    },
+    isInputDarkOrLightMode() {
+      return `${this.$dm('bg-white', 'dark:bg-slate-600')} ${this.$dm(
+        'text-slate-700',
+        'dark:text-slate-50'
+      )}`;
+    },
+    inputBorderColor() {
+      return `${this.$dm('border-black-200', 'dark:border-black-500')}`;
+    },
+    inputHasError() {
+      return this.error
+        ? `border-red-200 hover:border-red-300 focus:border-red-300 ${this.isInputDarkOrLightMode}`
+        : `hover:border-black-300 focus:border-black-300 ${this.isInputDarkOrLightMode} ${this.inputBorderColor}`;
+    },
+  },
   methods: {
     onChange(event) {
       this.$emit('input', event.target.value);
diff --git a/app/javascript/widget/components/Form/TextArea.vue b/app/javascript/widget/components/Form/TextArea.vue
index 4de6b4323..024e104f0 100644
--- a/app/javascript/widget/components/Form/TextArea.vue
+++ b/app/javascript/widget/components/Form/TextArea.vue
@@ -1,21 +1,11 @@
 <template>
   <label class="block">
-    <div
-      v-if="label"
-      class="mb-2 text-xs font-medium"
-      :class="{
-        'text-black-800': !error,
-        'text-red-400': error,
-      }"
-    >
+    <div v-if="label" class="mb-2 text-xs font-medium" :class="labelClass">
       {{ label }}
     </div>
     <textarea
       class="resize-none border rounded w-full py-2 px-3 text-slate-700 leading-tight outline-none"
-      :class="{
-        'border-black-200 hover:border-black-300 focus:border-black-300': !error,
-        'border-red-200 hover:border-red-300 focus:border-red-300': error,
-      }"
+      :class="isTextAreaHasError"
       :placeholder="placeholder"
       :value="value"
       @change="onChange"
@@ -26,7 +16,9 @@
   </label>
 </template>
 <script>
+import darkModeMixin from 'widget/mixins/darkModeMixin';
 export default {
+  mixins: [darkModeMixin],
   props: {
     label: {
       type: String,
@@ -49,6 +41,27 @@ export default {
       default: '',
     },
   },
+  computed: {
+    labelClass() {
+      return this.error
+        ? `text-red-400 ${this.$dm('text-black-800', 'dark:text-slate-50')}`
+        : `text-black-800 ${this.$dm('text-black-800', 'dark:text-slate-50')}`;
+    },
+    isTextAreaDarkOrLightMode() {
+      return `${this.$dm('bg-white', 'dark:bg-slate-600')} ${this.$dm(
+        'text-slate-700',
+        'dark:text-slate-50'
+      )}`;
+    },
+    textAreaBorderColor() {
+      return `${this.$dm('border-black-200', 'dark:border-black-500')}`;
+    },
+    isTextAreaHasError() {
+      return this.error
+        ? `border-red-200 hover:border-red-300 focus:border-red-300 ${this.isTextAreaDarkOrLightMode}`
+        : `hover:border-black-300 focus:border-black-300 ${this.isTextAreaDarkOrLightMode} ${this.textAreaBorderColor}`;
+    },
+  },
   methods: {
     onChange(event) {
       this.$emit('input', event.target.value);
diff --git a/app/javascript/widget/components/HeaderActions.vue b/app/javascript/widget/components/HeaderActions.vue
index 1090d54b0..16f10ed12 100644
--- a/app/javascript/widget/components/HeaderActions.vue
+++ b/app/javascript/widget/components/HeaderActions.vue
@@ -6,14 +6,22 @@
       :title="$t('END_CONVERSATION')"
       @click="resolveConversation"
     >
-      <fluent-icon icon="sign-out" size="22" class="text-black-900" />
+      <fluent-icon
+        icon="sign-out"
+        size="22"
+        :class="$dm('text-black-900', 'dark:text-slate-50')"
+      />
     </button>
     <button
       v-if="showPopoutButton"
       class="button transparent compact new-window--button "
       @click="popoutWindow"
     >
-      <fluent-icon icon="open" size="22" class="text-black-900" />
+      <fluent-icon
+        icon="open"
+        size="22"
+        :class="$dm('text-black-900', 'dark:text-slate-50')"
+      />
     </button>
     <button
       class="button transparent compact close-button"
@@ -22,7 +30,11 @@
       }"
       @click="closeWindow"
     >
-      <fluent-icon icon="dismiss" size="24" class="text-black-900" />
+      <fluent-icon
+        icon="dismiss"
+        size="24"
+        :class="$dm('text-black-900', 'dark:text-slate-50')"
+      />
     </button>
   </div>
 </template>
@@ -31,10 +43,12 @@ import { mapGetters } from 'vuex';
 import { IFrameHelper, RNHelper } from 'widget/helpers/utils';
 import { popoutChatWindow } from '../helpers/popoutHelper';
 import FluentIcon from 'shared/components/FluentIcon/Index.vue';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
   name: 'HeaderActions',
   components: { FluentIcon },
+  mixins: [darkModeMixin],
   props: {
     showPopoutButton: {
       type: Boolean,
diff --git a/app/javascript/widget/components/PreChat/Form.vue b/app/javascript/widget/components/PreChat/Form.vue
index 7fdf33375..793c59ecb 100644
--- a/app/javascript/widget/components/PreChat/Form.vue
+++ b/app/javascript/widget/components/PreChat/Form.vue
@@ -5,7 +5,8 @@
   >
     <div
       v-if="shouldShowHeaderMessage"
-      class="text-black-800 text-sm leading-5"
+      class="text-sm leading-5"
+      :class="$dm('text-black-800', 'dark:text-slate-50')"
     >
       {{ headerMessage }}
     </div>
@@ -64,6 +65,7 @@ import { getContrastingTextColor } from '@chatwoot/utils';
 import { required, minLength, email } from 'vuelidate/lib/validators';
 import { isEmptyObject } from 'widget/helpers/utils';
 import routerMixin from 'widget/mixins/routerMixin';
+import darkModeMixin from 'widget/mixins/darkModeMixin';
 export default {
   components: {
     FormInput,
@@ -71,7 +73,7 @@ export default {
     CustomButton,
     Spinner,
   },
-  mixins: [routerMixin],
+  mixins: [routerMixin, darkModeMixin],
   props: {
     options: {
       type: Object,
diff --git a/app/javascript/widget/components/TeamAvailability.vue b/app/javascript/widget/components/TeamAvailability.vue
index c4e19742d..35cb7eebc 100644
--- a/app/javascript/widget/components/TeamAvailability.vue
+++ b/app/javascript/widget/components/TeamAvailability.vue
@@ -1,7 +1,10 @@
 <template>
   <div class="px-5">
     <div class="flex items-center justify-between mb-4">
-      <div class="text-black-700 max-w-xs">
+      <div
+        class="max-w-xs"
+        :class="$dm('text-black-700', 'dark:text-slate-50')"
+      >
         <div class="text-base leading-5 font-medium mb-1">
           {{
             isOnline
@@ -36,6 +39,7 @@ import AvailableAgents from 'widget/components/AvailableAgents.vue';
 import CustomButton from 'shared/components/Button';
 import configMixin from 'widget/mixins/configMixin';
 import availabilityMixin from 'widget/mixins/availability';
+import darkMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
   name: 'TeamAvailability',
@@ -43,7 +47,7 @@ export default {
     AvailableAgents,
     CustomButton,
   },
-  mixins: [configMixin, availabilityMixin],
+  mixins: [configMixin, availabilityMixin, darkMixin],
   props: {
     availableAgents: {
       type: Array,
@@ -55,7 +59,9 @@ export default {
     },
   },
   computed: {
-    ...mapGetters({ widgetColor: 'appConfig/getWidgetColor' }),
+    ...mapGetters({
+      widgetColor: 'appConfig/getWidgetColor',
+    }),
     textColor() {
       return getContrastingTextColor(this.widgetColor);
     },
diff --git a/app/javascript/widget/components/UnreadMessage.vue b/app/javascript/widget/components/UnreadMessage.vue
index 13e8fc250..a3d8ee363 100644
--- a/app/javascript/widget/components/UnreadMessage.vue
+++ b/app/javascript/widget/components/UnreadMessage.vue
@@ -1,6 +1,10 @@
 <template>
   <div class="chat-bubble-wrap">
-    <button class="chat-bubble agent" @click="onClickMessage">
+    <button
+      class="chat-bubble agent"
+      :class="$dm('bg-white', 'dark:bg-slate-50')"
+      @click="onClickMessage"
+    >
       <div v-if="showSender" class="row--agent-block">
         <thumbnail
           :src="avatarUrl"
@@ -25,10 +29,11 @@ import {
   ON_CAMPAIGN_MESSAGE_CLICK,
   ON_UNREAD_MESSAGE_CLICK,
 } from '../constants/widgetBusEvents';
+import darkModeMixin from 'widget/mixins/darkModeMixin';
 export default {
   name: 'UnreadMessage',
   components: { Thumbnail },
-  mixins: [messageFormatterMixin, configMixin],
+  mixins: [messageFormatterMixin, configMixin, darkModeMixin],
   props: {
     message: {
       type: String,
diff --git a/app/javascript/widget/components/layouts/ViewWithHeader.vue b/app/javascript/widget/components/layouts/ViewWithHeader.vue
index 9c200eb43..10c56121f 100644
--- a/app/javascript/widget/components/layouts/ViewWithHeader.vue
+++ b/app/javascript/widget/components/layouts/ViewWithHeader.vue
@@ -1,11 +1,15 @@
 <template>
   <div
-    class="w-full h-full bg-slate-50 flex flex-col"
+    class="w-full h-full flex flex-col"
+    :class="$dm('bg-slate-50', 'dark:bg-slate-800')"
     @keydown.esc="closeWindow"
   >
     <div
-      class="header-wrap bg-white"
-      :class="{ expanded: !isHeaderCollapsed, collapsed: isHeaderCollapsed }"
+      class="header-wrap"
+      :class="{
+        expanded: !isHeaderCollapsed,
+        collapsed: isHeaderCollapsed,
+      }"
     >
       <transition
         enter-active-class="transition-all delay-200 duration-300 ease-in"
@@ -51,6 +55,7 @@ import Branding from 'shared/components/Branding.vue';
 import ChatHeader from '../ChatHeader.vue';
 import ChatHeaderExpanded from '../ChatHeaderExpanded.vue';
 import configMixin from '../../mixins/configMixin';
+import darkModeMixin from 'widget/mixins/darkModeMixin';
 import { mapGetters } from 'vuex';
 import { IFrameHelper } from 'widget/helpers/utils';
 
@@ -61,7 +66,7 @@ export default {
     ChatHeader,
     ChatHeaderExpanded,
   },
-  mixins: [configMixin],
+  mixins: [configMixin, darkModeMixin],
   data() {
     return {
       showPopoutButton: false,
diff --git a/app/javascript/widget/components/template/Article.vue b/app/javascript/widget/components/template/Article.vue
index 6d5308c48..f022215bd 100644
--- a/app/javascript/widget/components/template/Article.vue
+++ b/app/javascript/widget/components/template/Article.vue
@@ -1,12 +1,25 @@
 <template>
-  <div v-if="!!items.length" class="chat-bubble agent">
+  <div
+    v-if="!!items.length"
+    class="chat-bubble agent"
+    :class="$dm('bg-white', 'dark:bg-slate-700')"
+  >
     <div v-for="item in items" :key="item.link" class="article-item">
       <a :href="item.link" target="_blank" rel="noopener noreferrer nofollow">
         <span class="title flex items-center text-black-900 font-medium">
-          <fluent-icon icon="link" class="mr-1" />
-          <span>{{ item.title }}</span>
+          <fluent-icon
+            icon="link"
+            class="mr-1"
+            :class="$dm('text-black-900', 'dark:text-slate-50')"
+          />
+          <span :class="$dm('text-slate-900', 'dark:text-slate-50')">{{
+            item.title
+          }}</span>
         </span>
-        <span class="description">
+        <span
+          class="description"
+          :class="$dm('text-slate-700', 'dark:text-slate-200')"
+        >
           {{ truncateMessage(item.description) }}
         </span>
       </a>
@@ -17,12 +30,13 @@
 <script>
 import messageFormatterMixin from 'shared/mixins/messageFormatterMixin';
 import FluentIcon from 'shared/components/FluentIcon/Index.vue';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
   components: {
     FluentIcon,
   },
-  mixins: [messageFormatterMixin],
+  mixins: [messageFormatterMixin, darkModeMixin],
   props: {
     items: {
       type: Array,
diff --git a/app/javascript/widget/components/template/EmailInput.vue b/app/javascript/widget/components/template/EmailInput.vue
index 096870b73..054508313 100644
--- a/app/javascript/widget/components/template/EmailInput.vue
+++ b/app/javascript/widget/components/template/EmailInput.vue
@@ -9,7 +9,7 @@
         v-model.trim="email"
         class="form-input"
         :placeholder="$t('EMAIL_PLACEHOLDER')"
-        :class="{ error: $v.email.$error }"
+        :class="inputHasError"
         @input="$v.email.$touch"
         @keydown.enter="onSubmit"
       />
@@ -31,12 +31,14 @@ import { required, email } from 'vuelidate/lib/validators';
 
 import FluentIcon from 'shared/components/FluentIcon/Index.vue';
 import Spinner from 'shared/components/Spinner';
+import darkModeMixin from 'widget/mixins/darkModeMixin.js';
 
 export default {
   components: {
     FluentIcon,
     Spinner,
   },
+  mixins: [darkModeMixin],
   props: {
     messageId: {
       type: Number,
@@ -63,6 +65,15 @@ export default {
         this.messageContentAttributes.submitted_email
       );
     },
+    inputColor() {
+      return `${this.$dm('bg-white', 'dark:bg-slate-600')}
+        ${this.$dm('text-black-900', 'dark:text-slate-50')}`;
+    },
+    inputHasError() {
+      return this.$v.email.$error
+        ? `${this.inputColor} error`
+        : `${this.inputColor}`;
+    },
   },
   validations: {
     email: {
@@ -105,6 +116,10 @@ export default {
     padding: $space-one;
     width: 100%;
 
+    &::placeholder {
+      color: $color-light-gray;
+    }
+
     &.error {
       border-color: $color-error;
     }
diff --git a/app/javascript/widget/mixins/darkModeMixin.js b/app/javascript/widget/mixins/darkModeMixin.js
new file mode 100644
index 000000000..dd8f19cfc
--- /dev/null
+++ b/app/javascript/widget/mixins/darkModeMixin.js
@@ -0,0 +1,15 @@
+import { mapGetters } from 'vuex';
+
+export default {
+  computed: {
+    ...mapGetters({ darkMode: 'appConfig/darkMode' }),
+  },
+  methods: {
+    $dm(light, dark) {
+      if (this.darkMode === 'light') {
+        return light;
+      }
+      return light + ' ' + dark;
+    },
+  },
+};
diff --git a/app/javascript/widget/mixins/specs/darkModeMixin.spec.js b/app/javascript/widget/mixins/specs/darkModeMixin.spec.js
new file mode 100644
index 000000000..852bcc6e6
--- /dev/null
+++ b/app/javascript/widget/mixins/specs/darkModeMixin.spec.js
@@ -0,0 +1,41 @@
+import { shallowMount, createLocalVue } from '@vue/test-utils';
+import darkModeMixin from '../darkModeMixin';
+import Vuex from 'vuex';
+const localVue = createLocalVue();
+localVue.use(Vuex);
+
+const darkModeValues = ['light', 'auto'];
+
+describe('darkModeMixin', () => {
+  let getters;
+  let store;
+  beforeEach(() => {
+    getters = {
+      'appConfig/darkMode': () => darkModeValues[0],
+    };
+    store = new Vuex.Store({ getters });
+  });
+
+  it('if light theme', () => {
+    const Component = {
+      render() {},
+      mixins: [darkModeMixin],
+    };
+    const wrapper = shallowMount(Component, { store, localVue });
+    expect(wrapper.vm.$dm('bg-100', 'bg-600')).toBe('bg-100');
+  });
+
+  it('if auto theme', () => {
+    getters = {
+      'appConfig/darkMode': () => darkModeValues[2],
+    };
+    store = new Vuex.Store({ getters });
+
+    const Component = {
+      render() {},
+      mixins: [darkModeMixin],
+    };
+    const wrapper = shallowMount(Component, { store, localVue });
+    expect(wrapper.vm.$dm('bg-100', 'bg-600')).toBe('bg-100 bg-600');
+  });
+});
diff --git a/app/javascript/widget/store/modules/appConfig.js b/app/javascript/widget/store/modules/appConfig.js
index bb65f2dfa..319f86be4 100644
--- a/app/javascript/widget/store/modules/appConfig.js
+++ b/app/javascript/widget/store/modules/appConfig.js
@@ -15,6 +15,7 @@ const state = {
   showPopoutButton: false,
   widgetColor: '',
   widgetStyle: 'standard',
+  darkMode: 'light',
 };
 
 export const getters = {
@@ -25,18 +26,26 @@ export const getters = {
   getWidgetColor: $state => $state.widgetColor,
   getReferrerHost: $state => $state.referrerHost,
   isWidgetStyleFlat: $state => $state.widgetStyle === 'flat',
+  darkMode: $state => $state.darkMode,
 };
 
 export const actions = {
   setAppConfig(
     { commit },
-    { showPopoutButton, position, hideMessageBubble, widgetStyle = 'rounded' }
+    {
+      showPopoutButton,
+      position,
+      hideMessageBubble,
+      widgetStyle = 'rounded',
+      darkMode = 'light',
+    }
   ) {
     commit(SET_WIDGET_APP_CONFIG, {
       hideMessageBubble: !!hideMessageBubble,
       position: position || 'right',
       showPopoutButton: !!showPopoutButton,
       widgetStyle,
+      darkMode,
     });
   },
   toggleWidgetOpen({ commit }, isWidgetOpen) {
@@ -56,6 +65,7 @@ export const mutations = {
     $state.position = data.position;
     $state.hideMessageBubble = data.hideMessageBubble;
     $state.widgetStyle = data.widgetStyle;
+    $state.darkMode = data.darkMode;
   },
   [TOGGLE_WIDGET_OPEN]($state, isWidgetOpen) {
     $state.isWidgetOpen = isWidgetOpen;
diff --git a/app/views/widget_tests/index.html.erb b/app/views/widget_tests/index.html.erb
index 8e20c06a9..3352f5a3a 100644
--- a/app/views/widget_tests/index.html.erb
+++ b/app/views/widget_tests/index.html.erb
@@ -19,6 +19,7 @@ window.chatwootSettings = {
   type: '<%= @widget_type %>',
   showPopoutButton: true,
   widgetStyle: '<%= @widget_style %>',
+  darkMode: '<%= @dark_mode %>',
 };
 
 (function(d,t) {
diff --git a/tailwind.config.js b/tailwind.config.js
index c4e5aa8c1..48e24bc31 100644
--- a/tailwind.config.js
+++ b/tailwind.config.js
@@ -85,7 +85,11 @@ module.exports = {
         900: '#C30011',
       },
     },
-    extend: {},
+    extend: {
+      screens: {
+        dark: { raw: '(prefers-color-scheme: dark)' },
+      },
+    },
   },
   variants: {},
   plugins: [],