diff --git a/mkdocs.yml b/mkdocs.yml
index 4ced887b86554fe482924accb2ca261e739b2767..c74a2cfce35991637ed20cb0697aa28ce1813515 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -190,7 +190,7 @@ pages:
 extra:
   logo: img/logo2.png
   palette:
-    primary: 'blue grey'
+    primary: 'grey'
     accent: 'light blue'
   font:
     text: 'Roboto'