diff --git a/packages/docusaurus-1.x/lib/static/css/main.css b/packages/docusaurus-1.x/lib/static/css/main.css
index f35f130417e0..e9363f01c719 100644
--- a/packages/docusaurus-1.x/lib/static/css/main.css
+++ b/packages/docusaurus-1.x/lib/static/css/main.css
@@ -1979,6 +1979,7 @@ input::placeholder {
 
 .onPageNav .toc-headings > li > a.active {
   font-weight: 600;
+  color: $primaryColor;
 }
 
 .onPageNav ul {