#E4EEF1 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 #E4EEF1 works with other colors. Named schemes with #E4EEF1 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 #E4EEF1 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 #E4EEF1 at work across the surfaces designers actually ship.
:root {
--color-base: #E4EEF1;
--color-base-rgb: 228 238 241;
--color-base-oklch: oklch(94.2% 0.011 217.5);
--color-50: #F5F9FA;
--color-100: #E4EEF2;
--color-200: #C9DDE3;
--color-300: #A3C3CC;
--color-400: #7FA7B3;
--color-500: #5E8997;
--color-600: #4D6C75;
--color-700: #3A4E54;
--color-800: #293538;
--color-900: #1A2123;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F5F9FA',
100: '#E4EEF2',
200: '#C9DDE3',
300: '#A3C3CC',
400: '#7FA7B3',
500: '#5E8997',
600: '#4D6C75',
700: '#3A4E54',
800: '#293538',
900: '#1A2123',
},
}
$base: #E4EEF1; $base-ink: #141310; $base-50: #F5F9FA; $base-100: #E4EEF2; $base-200: #C9DDE3; $base-300: #A3C3CC; $base-400: #7FA7B3; $base-500: #5E8997; $base-600: #4D6C75; $base-700: #3A4E54; $base-800: #293538; $base-900: #1A2123; $base-hover: #A6C7D1; $base-subtle: #F7FAFA;
{
"color": {
"base": {
"value": "#E4EEF1",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F9FA",
"type": "color"
},
"100": {
"value": "#E4EEF2",
"type": "color"
},
"200": {
"value": "#C9DDE3",
"type": "color"
},
"300": {
"value": "#A3C3CC",
"type": "color"
},
"400": {
"value": "#7FA7B3",
"type": "color"
},
"500": {
"value": "#5E8997",
"type": "color"
},
"600": {
"value": "#4D6C75",
"type": "color"
},
"700": {
"value": "#3A4E54",
"type": "color"
},
"800": {
"value": "#293538",
"type": "color"
},
"900": {
"value": "#1A2123",
"type": "color"
}
}
}
}