#E3EEEF 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 #E3EEEF works with other colors. Named schemes with #E3EEEF 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 #E3EEEF 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 #E3EEEF at work across the surfaces designers actually ship.
:root {
--color-base: #E3EEEF;
--color-base-rgb: 227 238 239;
--color-base-oklch: oklch(94.1% 0.012 203.5);
--color-50: #F5F9FA;
--color-100: #E5EFF0;
--color-200: #CBDFE1;
--color-300: #A6C6C9;
--color-400: #83ACAF;
--color-500: #638E92;
--color-600: #506F72;
--color-700: #3D5052;
--color-800: #2A3637;
--color-900: #1B2222;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F5F9FA',
100: '#E5EFF0',
200: '#CBDFE1',
300: '#A6C6C9',
400: '#83ACAF',
500: '#638E92',
600: '#506F72',
700: '#3D5052',
800: '#2A3637',
900: '#1B2222',
},
}
$base: #E3EEEF; $base-ink: #141310; $base-50: #F5F9FA; $base-100: #E5EFF0; $base-200: #CBDFE1; $base-300: #A6C6C9; $base-400: #83ACAF; $base-500: #638E92; $base-600: #506F72; $base-700: #3D5052; $base-800: #2A3637; $base-900: #1B2222; $base-hover: #A7C9CC; $base-subtle: #F7F9FA;
{
"color": {
"base": {
"value": "#E3EEEF",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F9FA",
"type": "color"
},
"100": {
"value": "#E5EFF0",
"type": "color"
},
"200": {
"value": "#CBDFE1",
"type": "color"
},
"300": {
"value": "#A6C6C9",
"type": "color"
},
"400": {
"value": "#83ACAF",
"type": "color"
},
"500": {
"value": "#638E92",
"type": "color"
},
"600": {
"value": "#506F72",
"type": "color"
},
"700": {
"value": "#3D5052",
"type": "color"
},
"800": {
"value": "#2A3637",
"type": "color"
},
"900": {
"value": "#1B2222",
"type": "color"
}
}
}
}