diff --git a/guidelines/guidelines.css b/guidelines/guidelines.css
index e7ca78324b..889a6ab499 100644
--- a/guidelines/guidelines.css
+++ b/guidelines/guidelines.css
@@ -5,7 +5,7 @@
 .change {
     display: inline;
     color: #fff;
-    background: #B50000;
+    background: #005A9C;
     border-radius: 0.25em;
     padding: 0.25em 0.4em;
     margin: 0 0.25em 0 0;