diff --git a/opentech/static_src/src/sass/components/_link.scss b/opentech/static_src/src/sass/components/_link.scss
index 122cf34a433a3877d3b51dca97c7928f631e9e80..23d242c762d87e2c017b6c4aef8a49d8bdb1cbae 100644
--- a/opentech/static_src/src/sass/components/_link.scss
+++ b/opentech/static_src/src/sass/components/_link.scss
@@ -40,7 +40,7 @@
     }
 
     &--fixed-apply {
-        @include button($color--purple);
+        @include button($color--purple, darken($color--purple, 20%));
         position: fixed;
         bottom: 0;
         z-index: 100;