diff --git a/app/assets/javascripts/main.js b/app/assets/javascripts/main.js
index c7f982bf4..c255d9652 100644
--- a/app/assets/javascripts/main.js
+++ b/app/assets/javascripts/main.js
@@ -20,3 +20,7 @@ $(() => GOVUK.modules.start());
 $(() => $('.error-message').eq(0).parent('label').next('input').trigger('focus'));
 
 $(() => $('.banner-dangerous').eq(0).trigger('focus'));
+
+$(() => $('.govuk-header__container').on('click', function() {
+  $(this).css('border-color', '#005ea5');
+}));
diff --git a/app/config.py b/app/config.py
index a03d4aabd..84458406a 100644
--- a/app/config.py
+++ b/app/config.py
@@ -45,7 +45,7 @@ class Config(object):
     EMAIL_EXPIRY_SECONDS = 3600  # 1 hour
     INVITATION_EXPIRY_SECONDS = 3600 * 24 * 2  # 2 days - also set on api
     EMAIL_2FA_EXPIRY_SECONDS = 1800  # 30 Minutes
-    HEADER_COLOUR = '#FFBF47'  # $yellow
+    HEADER_COLOUR = '#81878b'  # mix(govuk-colour("dark-grey"), govuk-colour("mid-grey"))
     HTTP_PROTOCOL = 'http'
     MAX_FAILED_LOGIN_COUNT = 10
     NOTIFY_APP_NAME = 'admin'