Change to using variables

Thanks garg

app/assets/stylesheets/components.scss

@@ -1703,7 +1703,7 @@ button.active i.fa-retweet {
 
 .privacy-dropdown__option__content {
   flex: 1 1 auto;
-  color: #536f96;
+  color: darken($color3, 24%);
 
   strong {
     font-weight: 500;