#660EA1 is a deep, cool magenta. On the Color Lab it reads clean and engineered, quietly premium. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #660EA1 works with other colors. Named schemes with #660EA1 in its natural role, and a note on why the supporting colors balance it.
Grape sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Grape is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Grape.
Grape is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Grape carrying the quiet middle.
Grape opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Grape glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #660EA1 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.
Not a swatch to memorise — a color to build with. Here is #660EA1 at work across the surfaces designers actually ship.
:root {
--color-base: #660EA1;
--color-base-rgb: 102 14 161;
--color-base-oklch: oklch(41.3% 0.205 304.8);
--color-50: #F9F0FE;
--color-100: #EED8FD;
--color-200: #DDB4F8;
--color-300: #C281EE;
--color-400: #A753DF;
--color-500: #8930C4;
--color-600: #6B2D95;
--color-700: #4E2569;
--color-800: #341C45;
--color-900: #21132A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
grape: {
50: '#F9F0FE',
100: '#EED8FD',
200: '#DDB4F8',
300: '#C281EE',
400: '#A753DF',
500: '#8930C4',
600: '#6B2D95',
700: '#4E2569',
800: '#341C45',
900: '#21132A',
},
}
$base: #660EA1; $base-ink: #FFFFFF; $base-50: #F9F0FE; $base-100: #EED8FD; $base-200: #DDB4F8; $base-300: #C281EE; $base-400: #A753DF; $base-500: #8930C4; $base-600: #6B2D95; $base-700: #4E2569; $base-800: #341C45; $base-900: #21132A; $base-hover: #510B80; $base-subtle: #D3ACED;
{
"color": {
"base": {
"value": "#660EA1",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F9F0FE",
"type": "color"
},
"100": {
"value": "#EED8FD",
"type": "color"
},
"200": {
"value": "#DDB4F8",
"type": "color"
},
"300": {
"value": "#C281EE",
"type": "color"
},
"400": {
"value": "#A753DF",
"type": "color"
},
"500": {
"value": "#8930C4",
"type": "color"
},
"600": {
"value": "#6B2D95",
"type": "color"
},
"700": {
"value": "#4E2569",
"type": "color"
},
"800": {
"value": "#341C45",
"type": "color"
},
"900": {
"value": "#21132A",
"type": "color"
}
}
}
}