diff --git a/core/res/res/values/colors_leanback.xml b/core/res/res/values/colors_leanback.xml
index 7eee0c4aeb433..1b0fad866bd74 100644
--- a/core/res/res/values/colors_leanback.xml
+++ b/core/res/res/values/colors_leanback.xml
@@ -16,7 +16,7 @@
 
 <!-- Colors specific to Leanback themes. -->
 <resources>
-    <color name="background_leanback_dark">#ff324248</color>
+    <color name="background_leanback_dark">#FF1F232B</color>
 
     <color name="primary_text_leanback_dark">#cceeeeee</color>
     <color name="secondary_text_leanback_dark">#99eeeeee</color>
diff --git a/core/res/res/values/dimens_leanback.xml b/core/res/res/values/dimens_leanback.xml
index 3ab21963ed777..ecda735193697 100644
--- a/core/res/res/values/dimens_leanback.xml
+++ b/core/res/res/values/dimens_leanback.xml
@@ -89,4 +89,6 @@
     <dimen name="leanback_button_radius">55dp</dimen>
     <dimen name="leanback_button_padding_horizontal">22dp</dimen>
     <dimen name="leanback_button_padding_vertical">11dp</dimen>
+
+    <dimen name="leanback_dialog_corner_radius">8dp</dimen>
 </resources>
diff --git a/core/res/res/values/themes_leanback.xml b/core/res/res/values/themes_leanback.xml
index 0def83d7792c4..0be9e98006f42 100644
--- a/core/res/res/values/themes_leanback.xml
+++ b/core/res/res/values/themes_leanback.xml
@@ -16,6 +16,7 @@
 <resources>
     <style name="Theme.Leanback.Dialog" parent="Theme.Material.BaseDialog">
         <item name="colorBackground">@color/background_leanback_dark</item>
+        <item name="dialogCornerRadius">@dimen/leanback_dialog_corner_radius</item>
         <item name="textColorPrimary">@color/primary_text_leanback_dark</item>
         <item name="textColorSecondary">@color/secondary_text_leanback_dark</item>
         <item name="alertDialogStyle">@style/AlertDialog.Leanback</item>
@@ -28,6 +29,7 @@
 
     <style name="Theme.Leanback.Settings.Dialog" parent="Theme.Material.Settings.BaseDialog">
         <item name="colorBackground">@color/background_leanback_dark</item>
+        <item name="dialogCornerRadius">@dimen/leanback_dialog_corner_radius</item>
         <item name="textColorPrimary">@color/primary_text_leanback_dark</item>
         <item name="textColorSecondary">@color/secondary_text_leanback_dark</item>
         <item name="alertDialogStyle">@style/AlertDialog.Leanback</item>
@@ -40,6 +42,7 @@
 
     <style name="Theme.Leanback.Dialog.Alert" parent="Theme.Material.Dialog.BaseAlert">
         <item name="colorBackground">@color/background_leanback_dark</item>
+        <item name="dialogCornerRadius">@dimen/leanback_dialog_corner_radius</item>
         <item name="textColorPrimary">@color/primary_text_leanback_dark</item>
         <item name="textColorSecondary">@color/secondary_text_leanback_dark</item>
         <item name="alertDialogStyle">@style/AlertDialog.Leanback</item>
@@ -53,6 +56,7 @@
     <style name="Theme.Leanback.Settings.Dialog.Alert"
            parent="Theme.Material.Settings.Dialog.BaseAlert">
         <item name="colorBackground">@color/background_leanback_dark</item>
+        <item name="dialogCornerRadius">@dimen/leanback_dialog_corner_radius</item>
         <item name="textColorPrimary">@color/primary_text_leanback_dark</item>
         <item name="textColorSecondary">@color/secondary_text_leanback_dark</item>
         <item name="alertDialogStyle">@style/AlertDialog.Leanback</item>