diff --git a/docs/source/_static/custom.css b/docs/source/_static/custom.css
index b7bfdcb61..3c0ae5bc5 100644
--- a/docs/source/_static/custom.css
+++ b/docs/source/_static/custom.css
@@ -70,7 +70,7 @@ p.rubric+dl.py.function {
 /* Parameter names should look a bit different from types */
 .sig-param > span.n:nth-child(1) > .pre {
   font-weight: 500;
-  color: #16324F;
+  color: #3f87d3;
 }
 
 /* In desktop mode, when the top navbar is filled, make the padding to