diff --git a/auth/tests/behat/login.feature b/auth/tests/behat/login.feature
index 8397ac45ce8..087ac3f164e 100644
--- a/auth/tests/behat/login.feature
+++ b/auth/tests/behat/login.feature
@@ -68,3 +68,11 @@ Feature: Authentication
     And the page should meet accessibility standards
     And the page should meet "wcag131, wcag141, wcag412" accessibility standards
     And the page should meet accessibility standards with "wcag131, wcag141, wcag412" extra tests
+
+  @javascript @accessibility
+  Scenario: The login page must have sufficient colour contrast
+    Given the following config values are set as admin:
+      | custommenuitems | -This is a custom item\|/customurl/ |
+    And I am on site homepage
+    And the page should meet "wcag143" accessibility standards
+    And the page should meet accessibility standards with "wcag143" extra tests