diff --git a/src/librustdoc/html/static/themes/dark.css b/src/librustdoc/html/static/themes/dark.css
index 7add0e21f54..649ee0b781e 100644
--- a/src/librustdoc/html/static/themes/dark.css
+++ b/src/librustdoc/html/static/themes/dark.css
@@ -108,7 +108,7 @@ pre {
 
 .content .highlighted {
 	color: #eee !important;
-	background-color: #333;
+	background-color: #616161;
 }
 .content .highlighted a, .content .highlighted span { color: #eee !important; }
 .content .highlighted.trait { background-color: #013191; }