#E3EFFE 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 #E3EFFE works with other colors. Named schemes with #E3EFFE 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 #E3EFFE 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 #E3EFFE at work across the surfaces designers actually ship.
:root {
--color-base: #E3EFFE;
--color-base-rgb: 227 239 254;
--color-base-oklch: oklch(94.8% 0.024 253.9);
--color-50: #F0F7FE;
--color-100: #D8E9FD;
--color-200: #B1D2FC;
--color-300: #7CB2F4;
--color-400: #4C91E6;
--color-500: #2972CC;
--color-600: #275B9B;
--color-700: #22446D;
--color-800: #1A2E47;
--color-900: #121D2B;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F0F7FE',
100: '#D8E9FD',
200: '#B1D2FC',
300: '#7CB2F4',
400: '#4C91E6',
500: '#2972CC',
600: '#275B9B',
700: '#22446D',
800: '#1A2E47',
900: '#121D2B',
},
}
$base: #E3EFFE; $base-ink: #141310; $base-50: #F0F7FE; $base-100: #D8E9FD; $base-200: #B1D2FC; $base-300: #7CB2F4; $base-400: #4C91E6; $base-500: #2972CC; $base-600: #275B9B; $base-700: #22446D; $base-800: #1A2E47; $base-900: #121D2B; $base-hover: #85BAFB; $base-subtle: #F7FAFE;
{
"color": {
"base": {
"value": "#E3EFFE",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D8E9FD",
"type": "color"
},
"200": {
"value": "#B1D2FC",
"type": "color"
},
"300": {
"value": "#7CB2F4",
"type": "color"
},
"400": {
"value": "#4C91E6",
"type": "color"
},
"500": {
"value": "#2972CC",
"type": "color"
},
"600": {
"value": "#275B9B",
"type": "color"
},
"700": {
"value": "#22446D",
"type": "color"
},
"800": {
"value": "#1A2E47",
"type": "color"
},
"900": {
"value": "#121D2B",
"type": "color"
}
}
}
}