#E3EFFD is a pale, temperate off-white. 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 #E3EFFD works with other colors. Named schemes with #E3EFFD in its natural role, and a note on why the supporting colors balance it.
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 opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
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 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 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 #E3EFFD 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 #E3EFFD at work across the surfaces designers actually ship.
:root {
--color-base: #E3EFFD;
--color-base-rgb: 227 239 253;
--color-base-oklch: oklch(94.7% 0.023 252.2);
--color-50: #F0F7FE;
--color-100: #D8E9FD;
--color-200: #B3D4FA;
--color-300: #7FB4F0;
--color-400: #5194E1;
--color-500: #2E75C7;
--color-600: #2B5D97;
--color-700: #24456B;
--color-800: #1C2F45;
--color-900: #131E2A;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F0F7FE',
100: '#D8E9FD',
200: '#B3D4FA',
300: '#7FB4F0',
400: '#5194E1',
500: '#2E75C7',
600: '#2B5D97',
700: '#24456B',
800: '#1C2F45',
900: '#131E2A',
},
}
$base: #E3EFFD; $base-ink: #141310; $base-50: #F0F7FE; $base-100: #D8E9FD; $base-200: #B3D4FA; $base-300: #7FB4F0; $base-400: #5194E1; $base-500: #2E75C7; $base-600: #2B5D97; $base-700: #24456B; $base-800: #1C2F45; $base-900: #131E2A; $base-hover: #89BCF7; $base-subtle: #F7FAFD;
{
"color": {
"base": {
"value": "#E3EFFD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D8E9FD",
"type": "color"
},
"200": {
"value": "#B3D4FA",
"type": "color"
},
"300": {
"value": "#7FB4F0",
"type": "color"
},
"400": {
"value": "#5194E1",
"type": "color"
},
"500": {
"value": "#2E75C7",
"type": "color"
},
"600": {
"value": "#2B5D97",
"type": "color"
},
"700": {
"value": "#24456B",
"type": "color"
},
"800": {
"value": "#1C2F45",
"type": "color"
},
"900": {
"value": "#131E2A",
"type": "color"
}
}
}
}