Map<int, Color> indigo = const {50 : const Color(0xFFE8EAF6), 100 : const Color(0xFFC5CAE9), 200 : const Color(0xFF9FA8DA), 300 : const Color(0xFF7986CB), 400 : const Color(0xFF5C6BC0), 500 : const Color(0xFF3F51B5), 600 : const Color(0xFF3949AB), 700 : const Color(0xFF303F9F), 800 : const Color(0xFF283593), 900 : const Color(0xFF1A237E)}

The indigo primary swatch.

 new Icon(
   icon: Icons.widgets,
   color: Colors.indigo[400],
 ),

See also:

  • indigoAccent, the corresponding accent colors.
  • of, which allows you to select colors from the current theme rather than hard-coding colors in your build methods.