#581FB9 is a deep, cool purple. On the Color Lab it reads clean and engineered, bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #581FB9 works with other colors. Named schemes with #581FB9 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 #581FB9 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 #581FB9 at work across the surfaces designers actually ship.
:root {
--color-base: #581FB9;
--color-base-rgb: 88 31 185;
--color-base-oklch: oklch(43.0% 0.215 290.9);
--color-50: #F6F1FD;
--color-100: #E7DBFA;
--color-200: #CFB9F3;
--color-300: #AB8AE5;
--color-400: #895ED4;
--color-500: #6A3CB9;
--color-600: #55358D;
--color-700: #402B64;
--color-800: #2C1F42;
--color-900: #1C1528;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
grape: {
50: '#F6F1FD',
100: '#E7DBFA',
200: '#CFB9F3',
300: '#AB8AE5',
400: '#895ED4',
500: '#6A3CB9',
600: '#55358D',
700: '#402B64',
800: '#2C1F42',
900: '#1C1528',
},
}
$base: #581FB9; $base-ink: #FFFFFF; $base-50: #F6F1FD; $base-100: #E7DBFA; $base-200: #CFB9F3; $base-300: #AB8AE5; $base-400: #895ED4; $base-500: #6A3CB9; $base-600: #55358D; $base-700: #402B64; $base-800: #2C1F42; $base-900: #1C1528; $base-hover: #451993; $base-subtle: #CCBBEB;
{
"color": {
"base": {
"value": "#581FB9",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F1FD",
"type": "color"
},
"100": {
"value": "#E7DBFA",
"type": "color"
},
"200": {
"value": "#CFB9F3",
"type": "color"
},
"300": {
"value": "#AB8AE5",
"type": "color"
},
"400": {
"value": "#895ED4",
"type": "color"
},
"500": {
"value": "#6A3CB9",
"type": "color"
},
"600": {
"value": "#55358D",
"type": "color"
},
"700": {
"value": "#402B64",
"type": "color"
},
"800": {
"value": "#2C1F42",
"type": "color"
},
"900": {
"value": "#1C1528",
"type": "color"
}
}
}
}