$indigo-50: #E8EAF6;
$indigo-100: #C5CAE9;
$indigo-200: #9FA8DA;
$indigo-300: #7986CB;
$indigo-400: #5C6BC0;
$indigo-500: #3F51B5; // main
$indigo-600: #3949AB;
$indigo-700: #303F9F;
$indigo-800: #283593;
$indigo-900: #1A237E;

$indigo-A100: #8C9EFF;
$indigo-A200: #536DFE;
$indigo-A400: #3D5AFE;
$indigo-A700: #304FFE;

$indigo-map: (
    indigo-50: $indigo-50,
    indigo-100: $indigo-100,
    indigo-200: $indigo-200,
    indigo-300: $indigo-300,
    indigo-400: $indigo-400,
    indigo-500: $indigo-500,
    indigo-600: $indigo-600,
    indigo-700: $indigo-700,
    indigo-800: $indigo-800,
    indigo-900: $indigo-900,
    indigo-A100: $indigo-A100,
    indigo-A200: $indigo-A200,
    indigo-A400: $indigo-A400,
    indigo-A700: $indigo-A700
);

$colors-map: map-merge($colors-map, $indigo-map);