diff --git a/website/src/css/custom.css b/website/src/css/custom.css
index ccddea72eb7d3..bcfe9fa251d58 100644
--- a/website/src/css/custom.css
+++ b/website/src/css/custom.css
@@ -41,6 +41,8 @@ html[data-theme='dark'] {
   --ifm-color-primary-lightest: hsl(
     var(--site-primary-hue-saturation-light) 58%
   );
+  /* Use a darker color to ensure contrast */
+  --ifm-breadcrumb-color-active: var(--ifm-color-primary-darker);
 }
 
 [data-theme='dark'] {