diff --git a/core/styles/colours.tid b/core/styles/colours.tid
index 2444c7c5a..bf6763a54 100644
--- a/core/styles/colours.tid
+++ b/core/styles/colours.tid
@@ -1,7 +1,7 @@
 title: $:/core/styles/colours
 type: application/x-tiddler-dictionary
 
-primary: `#6a5ccc`
+primary: `#5959C0`
 background: `#fff`
 pagebackground: `#ececec`
 medium: `#bbb`
\ No newline at end of file