#ECEDF8 is a light neutral with only a whisper of temperate cast. On the Color Lab it reads clean and engineered, restrained and easy to live with. It holds up as a large surface and is too pale to lead as a primary accent.
Not just a swatch — here's how #ECEDF8 works with other colors. Named schemes with #ECEDF8 in its natural role, and a note on why the supporting colors balance it.
Cool White 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 White opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cool White 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 White.
Cool White keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cool White 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 White carrying the quiet middle.
How #ECEDF8 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 #ECEDF8 at work across the surfaces designers actually ship.
:root {
--color-base: #ECEDF8;
--color-base-rgb: 236 237 248;
--color-base-oklch: oklch(94.9% 0.015 282.0);
--color-50: #F3F4FB;
--color-100: #E1E2F5;
--color-200: #C4C7E9;
--color-300: #9A9FD5;
--color-400: #7379BF;
--color-500: #5259A3;
--color-600: #44497E;
--color-700: #35385A;
--color-800: #25273C;
--color-900: #181925;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F3F4FB',
100: '#E1E2F5',
200: '#C4C7E9',
300: '#9A9FD5',
400: '#7379BF',
500: '#5259A3',
600: '#44497E',
700: '#35385A',
800: '#25273C',
900: '#181925',
},
}
$base: #ECEDF8; $base-ink: #141310; $base-50: #F3F4FB; $base-100: #E1E2F5; $base-200: #C4C7E9; $base-300: #9A9FD5; $base-400: #7379BF; $base-500: #5259A3; $base-600: #44497E; $base-700: #35385A; $base-800: #25273C; $base-900: #181925; $base-hover: #A6AADE; $base-subtle: #FAFAFD;
{
"color": {
"base": {
"value": "#ECEDF8",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F4FB",
"type": "color"
},
"100": {
"value": "#E1E2F5",
"type": "color"
},
"200": {
"value": "#C4C7E9",
"type": "color"
},
"300": {
"value": "#9A9FD5",
"type": "color"
},
"400": {
"value": "#7379BF",
"type": "color"
},
"500": {
"value": "#5259A3",
"type": "color"
},
"600": {
"value": "#44497E",
"type": "color"
},
"700": {
"value": "#35385A",
"type": "color"
},
"800": {
"value": "#25273C",
"type": "color"
},
"900": {
"value": "#181925",
"type": "color"
}
}
}
}