-$window-body-border-color: $panel-body-border-color !default;
-$window-body-background-color: #DFE8F6 !default;
+$window-body-border-color: adjust-color($window-base-color, $hue: 0.844deg, $saturation: 7.644%, $lightness: -8.627%) !default;
+$window-body-background-color: adjust-color($window-base-color, $hue: 3.188deg, $saturation: 0.542%, $lightness: 7.843%) !default;