#8CA4BB is a muted, cool indigo. On the Color Lab it reads clean and engineered, restrained and easy to live with. It reproduces cleanly in print.
Not just a swatch — here's how #8CA4BB works with other colors. Named schemes with #8CA4BB in its natural role, and a note on why the supporting colors balance it.
Cadet Grey keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cadet Grey opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cadet Grey 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.
Cadet Grey is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cadet Grey.
Cadet Grey 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 Cadet Grey carrying the quiet middle.
How #8CA4BB 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 #8CA4BB at work across the surfaces designers actually ship.
:root {
--color-base: #8CA4BB;
--color-base-rgb: 140 164 187;
--color-base-oklch: oklch(70.8% 0.043 247.3);
--color-50: #F5F7FA;
--color-100: #E5EBF0;
--color-200: #CCD7E1;
--color-300: #A7B8C8;
--color-400: #839AAF;
--color-500: #647B91;
--color-600: #516171;
--color-700: #3D4852;
--color-800: #2A3137;
--color-900: #1B1F22;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cadet-grey: {
50: '#F5F7FA',
100: '#E5EBF0',
200: '#CCD7E1',
300: '#A7B8C8',
400: '#839AAF',
500: '#647B91',
600: '#516171',
700: '#3D4852',
800: '#2A3137',
900: '#1B1F22',
},
}
$base: #8CA4BB; $base-ink: #141310; $base-50: #F5F7FA; $base-100: #E5EBF0; $base-200: #CCD7E1; $base-300: #A7B8C8; $base-400: #839AAF; $base-500: #647B91; $base-600: #516171; $base-700: #3D4852; $base-800: #2A3137; $base-900: #1B1F22; $base-hover: #6284A3; $base-subtle: #DEE4E9;
{
"color": {
"base": {
"value": "#8CA4BB",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F7FA",
"type": "color"
},
"100": {
"value": "#E5EBF0",
"type": "color"
},
"200": {
"value": "#CCD7E1",
"type": "color"
},
"300": {
"value": "#A7B8C8",
"type": "color"
},
"400": {
"value": "#839AAF",
"type": "color"
},
"500": {
"value": "#647B91",
"type": "color"
},
"600": {
"value": "#516171",
"type": "color"
},
"700": {
"value": "#3D4852",
"type": "color"
},
"800": {
"value": "#2A3137",
"type": "color"
},
"900": {
"value": "#1B1F22",
"type": "color"
}
}
}
}