Blue 600 as default

core/src/main/res/values/color.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <color name="blue">#2196F3</color>
+    <color name="blue">#1E88E5</color>
     <color name="status_bar_color">#20111111</color>
     <color name="highlight_color">#330E7AFE</color>
     <color name="purple_700">#FF3700B3</color>