#E5F4FB 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 #E5F4FB works with other colors. Named schemes with #E5F4FB 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 #E5F4FB 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 #E5F4FB at work across the surfaces designers actually ship.
:root {
--color-base: #E5F4FB;
--color-base-rgb: 229 244 251;
--color-base-oklch: oklch(95.8% 0.018 227.3);
--color-50: #F1FAFD;
--color-100: #DBF0FA;
--color-200: #B9E1F4;
--color-300: #88C9E7;
--color-400: #5DAFD5;
--color-500: #3A92BB;
--color-600: #33728E;
--color-700: #2A5265;
--color-800: #1F3742;
--color-900: #152228;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F1FAFD',
100: '#DBF0FA',
200: '#B9E1F4',
300: '#88C9E7',
400: '#5DAFD5',
500: '#3A92BB',
600: '#33728E',
700: '#2A5265',
800: '#1F3742',
900: '#152228',
},
}
$base: #E5F4FB; $base-ink: #141310; $base-50: #F1FAFD; $base-100: #DBF0FA; $base-200: #B9E1F4; $base-300: #88C9E7; $base-400: #5DAFD5; $base-500: #3A92BB; $base-600: #33728E; $base-700: #2A5265; $base-800: #1F3742; $base-900: #152228; $base-hover: #92D1EE; $base-subtle: #F8FBFD;
{
"color": {
"base": {
"value": "#E5F4FB",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FAFD",
"type": "color"
},
"100": {
"value": "#DBF0FA",
"type": "color"
},
"200": {
"value": "#B9E1F4",
"type": "color"
},
"300": {
"value": "#88C9E7",
"type": "color"
},
"400": {
"value": "#5DAFD5",
"type": "color"
},
"500": {
"value": "#3A92BB",
"type": "color"
},
"600": {
"value": "#33728E",
"type": "color"
},
"700": {
"value": "#2A5265",
"type": "color"
},
"800": {
"value": "#1F3742",
"type": "color"
},
"900": {
"value": "#152228",
"type": "color"
}
}
}
}