#660498 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 #660498 works with other colors. Named schemes with #660498 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 #660498 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 #660498 at work across the surfaces designers actually ship.
:root {
--color-base: #660498;
--color-base-rgb: 102 4 152;
--color-base-oklch: oklch(40.0% 0.202 308.0);
--color-50: #FAF0FE;
--color-100: #F1D8FD;
--color-200: #E3B1FC;
--color-300: #CC7AF5;
--color-400: #B34AE8;
--color-500: #9627CE;
--color-600: #75269C;
--color-700: #54216E;
--color-800: #381A47;
--color-900: #23122B;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
grape: {
50: '#FAF0FE',
100: '#F1D8FD',
200: '#E3B1FC',
300: '#CC7AF5',
400: '#B34AE8',
500: '#9627CE',
600: '#75269C',
700: '#54216E',
800: '#381A47',
900: '#23122B',
},
}
$base: #660498; $base-ink: #FFFFFF; $base-50: #FAF0FE; $base-100: #F1D8FD; $base-200: #E3B1FC; $base-300: #CC7AF5; $base-400: #B34AE8; $base-500: #9627CE; $base-600: #75269C; $base-700: #54216E; $base-800: #381A47; $base-900: #23122B; $base-hover: #53037B; $base-subtle: #D7A4F0;
{
"color": {
"base": {
"value": "#660498",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#FAF0FE",
"type": "color"
},
"100": {
"value": "#F1D8FD",
"type": "color"
},
"200": {
"value": "#E3B1FC",
"type": "color"
},
"300": {
"value": "#CC7AF5",
"type": "color"
},
"400": {
"value": "#B34AE8",
"type": "color"
},
"500": {
"value": "#9627CE",
"type": "color"
},
"600": {
"value": "#75269C",
"type": "color"
},
"700": {
"value": "#54216E",
"type": "color"
},
"800": {
"value": "#381A47",
"type": "color"
},
"900": {
"value": "#23122B",
"type": "color"
}
}
}
}