diff --git a/packages/modules/web_themes/koala/source/src/css/quasar.variables.scss b/packages/modules/web_themes/koala/source/src/css/quasar.variables.scss
index 4cf374c2c5..79c8afe197 100644
--- a/packages/modules/web_themes/koala/source/src/css/quasar.variables.scss
+++ b/packages/modules/web_themes/koala/source/src/css/quasar.variables.scss
@@ -233,6 +233,8 @@ $flow-chart-shadow-opacity: 0.12;
   }
 }
 // Dark Theme Base Colors
+// Set Quasar’s dark theme shadow color to black
+$dark-shadow-color: #000000;
 $dark-primary: #2aa8ff;
 $dark-secondary: #3b3b3d; //cards - tabs background tables
 $dark-shadow: #7a7c80; // shadow color for dark theme