tachiyomi/app/src/main/res/values-night/themes.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
  <style name="Theme.Base.Reader" parent="Theme.Base">
    <item name="android:statusBarColor">?colorPrimaryDark</item>
    <item name="android:navigationBarColor">?colorPrimaryDark</item>
    <item name="colorPrimary">#212121</item>
    <item name="colorPrimaryDark">#212121</item>
    <item name="android:colorBackground">#1C1C1D</item>
  </style>

  <style name="Theme.Tachiyomi.DarkBlue" parent="Theme.Tachiyomi">
    <item name="colorPrimary">#54759E</item>
    <item name="colorPrimaryDark">#54759E</item>
  </style>

  <!--==============-->
  <!-- Amoled Theme -->
  <!--==============-->
  <style name="Theme.Tachiyomi.Amoled" parent="Theme.Tachiyomi">
    <item name="colorPrimary">@color/colorAmoledPrimary</item>
    <item name="colorPrimaryDark">@color/colorAmoledPrimary</item>
    <item name="android:colorBackground">@color/md_black_1000</item>
    <item name="snackbar_background">@color/trueSnackbarBackground</item>
    <item name="snackbar_text">@color/textColorPrimary</item>

    <!-- Custom Attributes-->
    <item name="selectable_list_drawable">@drawable/list_item_selector_amoled</item>
    <item name="selectable_library_drawable">@drawable/library_item_selector_amoled</item>
    <item name="background_card">@color/dialog_amoled</item>


    <!-- Material Dialog colors -->
    <item name="md_color_title">@color/textColorPrimary</item>
    <item name="md_color_content">@color/textColorSecondary</item>
    <item name="md_color_button_text">@color/colorAccent</item>
    <item name="md_background_color">@color/dialog_amoled</item>
    <item name="md_corner_radius">16dp</item>
  </style>
</resources>