diff --git a/app/design/frontend/Magento/blank/Magento_Checkout/web/css/source/module/checkout/_tooltip.less b/app/design/frontend/Magento/blank/Magento_Checkout/web/css/source/module/checkout/_tooltip.less
index 664726ddfd798..ddf33de6820e7 100644
--- a/app/design/frontend/Magento/blank/Magento_Checkout/web/css/source/module/checkout/_tooltip.less
+++ b/app/design/frontend/Magento/blank/Magento_Checkout/web/css/source/module/checkout/_tooltip.less
@@ -173,10 +173,10 @@
         width: 0;
     }
     .field-tooltip .field-tooltip-content::before {
-        border-bottom-color: @color-gray40;
+        .lib-css(border-bottom-color, @checkout-tooltip-content__border-color);
     }
     .field-tooltip .field-tooltip-content::after {
-        border-bottom-color: @color-gray-light01;
+        .lib-css(border-bottom-color, @checkout-tooltip-content__background-color);
         top: 1px;
     }
 }