#8F91BC is a mid-toned, cool purple. On the Color Lab it reads clean and engineered. It reproduces cleanly in print.
Not just a swatch — here's how #8F91BC works with other colors. Named schemes with #8F91BC in its natural role, and a note on why the supporting colors balance it.
Cool Gray keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cool Gray sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
Cool Gray opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cool Gray 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 Cool Gray carrying the quiet middle.
Cool Gray is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cool Gray.
How #8F91BC 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 #8F91BC at work across the surfaces designers actually ship.
:root {
--color-base: #8F91BC;
--color-base-rgb: 143 145 188;
--color-base-oklch: oklch(67.1% 0.063 282.5);
--color-50: #F5F5F9;
--color-100: #E5E6F0;
--color-200: #CCCDE0;
--color-300: #A7A9C8;
--color-400: #8486AE;
--color-500: #646790;
--color-600: #515370;
--color-700: #3D3E51;
--color-800: #2A2B36;
--color-900: #1B1C22;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-gray: {
50: '#F5F5F9',
100: '#E5E6F0',
200: '#CCCDE0',
300: '#A7A9C8',
400: '#8486AE',
500: '#646790',
600: '#515370',
700: '#3D3E51',
800: '#2A2B36',
900: '#1B1C22',
},
}
$base: #8F91BC; $base-ink: #141310; $base-50: #F5F5F9; $base-100: #E5E6F0; $base-200: #CCCDE0; $base-300: #A7A9C8; $base-400: #8486AE; $base-500: #646790; $base-600: #515370; $base-700: #3D3E51; $base-800: #2A2B36; $base-900: #1B1C22; $base-hover: #6669A3; $base-subtle: #DFE0E9;
{
"color": {
"base": {
"value": "#8F91BC",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F5F9",
"type": "color"
},
"100": {
"value": "#E5E6F0",
"type": "color"
},
"200": {
"value": "#CCCDE0",
"type": "color"
},
"300": {
"value": "#A7A9C8",
"type": "color"
},
"400": {
"value": "#8486AE",
"type": "color"
},
"500": {
"value": "#646790",
"type": "color"
},
"600": {
"value": "#515370",
"type": "color"
},
"700": {
"value": "#3D3E51",
"type": "color"
},
"800": {
"value": "#2A2B36",
"type": "color"
},
"900": {
"value": "#1B1C22",
"type": "color"
}
}
}
}