diff --git a/_src/_data/colors.yml b/_src/_data/colors.yml
index 35e83f4..56f5bb0 100644
--- a/_src/_data/colors.yml
+++ b/_src/_data/colors.yml
@@ -10,7 +10,7 @@ primary:
     - name: brand-main-gray
       hex: 70859B
     - name: brand-main-blue
-      hex: 074354
+      hex: '074354'
     - name: brand-main-blue-dark
       hex: 101A25
     - name: brand-main-blue-light