#640299 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 #640299 works with other colors. Named schemes with #640299 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 #640299 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 #640299 at work across the surfaces designers actually ship.
:root {
--color-base: #640299;
--color-base-rgb: 100 2 153;
--color-base-oklch: oklch(39.7% 0.203 306.8);
--color-50: #F9F0FE;
--color-100: #F0D8FD;
--color-200: #E1B1FC;
--color-300: #CA79F6;
--color-400: #B149E9;
--color-500: #9425D0;
--color-600: #73259D;
--color-700: #53206F;
--color-800: #371948;
--color-900: #23112C;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
grape: {
50: '#F9F0FE',
100: '#F0D8FD',
200: '#E1B1FC',
300: '#CA79F6',
400: '#B149E9',
500: '#9425D0',
600: '#73259D',
700: '#53206F',
800: '#371948',
900: '#23112C',
},
}
$base: #640299; $base-ink: #FFFFFF; $base-50: #F9F0FE; $base-100: #F0D8FD; $base-200: #E1B1FC; $base-300: #CA79F6; $base-400: #B149E9; $base-500: #9425D0; $base-600: #73259D; $base-700: #53206F; $base-800: #371948; $base-900: #23112C; $base-hover: #4F0279; $base-subtle: #D5A2F1;
{
"color": {
"base": {
"value": "#640299",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F9F0FE",
"type": "color"
},
"100": {
"value": "#F0D8FD",
"type": "color"
},
"200": {
"value": "#E1B1FC",
"type": "color"
},
"300": {
"value": "#CA79F6",
"type": "color"
},
"400": {
"value": "#B149E9",
"type": "color"
},
"500": {
"value": "#9425D0",
"type": "color"
},
"600": {
"value": "#73259D",
"type": "color"
},
"700": {
"value": "#53206F",
"type": "color"
},
"800": {
"value": "#371948",
"type": "color"
},
"900": {
"value": "#23112C",
"type": "color"
}
}
}
}