diff --git a/static/app.css b/static/app.css
index f012257..fafa99c 100644
--- a/static/app.css
+++ b/static/app.css
@@ -47,7 +47,7 @@ main > * {
 
 /* Header styles */
 .site-header {
-  background: linear-gradient(120deg, var(--dark-background), #13253f);
+  background: linear-gradient(120deg, var(--dark-background), var(--brand-navy));
   color: var(--header-text-color);
   position: sticky;
   top: 0;