Align primary color shades

Author: tfwright

assets/css/base.css

@@ -5,10 +5,10 @@
 }
 
 :root {
-    --primary-bg: #f3e8ff;
-    --primary-light: #e9d5ff;
-    --primary-medium: #7c3aed;
-    --primary-dark: #5b21b6;
+    --primary-bg: #f5f0ff;
+    --primary-light: #ede5ff;
+    --primary-medium: #6d28d9;
+    --primary-dark: #4c1d95;
 
     --bg: #fff;
     --bg-light: #f7f7f7;