diff --git a/administrator/templates/atum/scss/blocks/_global.scss b/administrator/templates/atum/scss/blocks/_global.scss
index 97a8d84d5539d..6b26b435798f9 100644
--- a/administrator/templates/atum/scss/blocks/_global.scss
+++ b/administrator/templates/atum/scss/blocks/_global.scss
@@ -18,7 +18,7 @@ body {
     filter: grayscale(1);
   }
   &.a11y_contrast {
-    filter: invert(100%);
+    filter: contrast(115%);
   }
   &.a11y_highlight {
     a {