diff --git a/django/contrib/admin/static/admin/css/base.css b/django/contrib/admin/static/admin/css/base.css
index 379799fa1b..c914c51546 100644
--- a/django/contrib/admin/static/admin/css/base.css
+++ b/django/contrib/admin/static/admin/css/base.css
@@ -239,7 +239,7 @@ code, pre {
 
 pre.literal-block {
     margin: 10px;
-    background: #eee;
+    background: var(--darkened-bg);
     padding: 6px 8px;
 }