#E3F3FA 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 #E3F3FA works with other colors. Named schemes with #E3F3FA 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 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 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 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 #E3F3FA 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 #E3F3FA at work across the surfaces designers actually ship.
:root {
--color-base: #E3F3FA;
--color-base-rgb: 227 243 250;
--color-base-oklch: oklch(95.4% 0.019 225.7);
--color-50: #F1FAFD;
--color-100: #DBF1FA;
--color-200: #BAE2F3;
--color-300: #8ACAE5;
--color-400: #5FB0D3;
--color-500: #3D93B8;
--color-600: #35728C;
--color-700: #2B5364;
--color-800: #203741;
--color-900: #152228;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F1FAFD',
100: '#DBF1FA',
200: '#BAE2F3',
300: '#8ACAE5',
400: '#5FB0D3',
500: '#3D93B8',
600: '#35728C',
700: '#2B5364',
800: '#203741',
900: '#152228',
},
}
$base: #E3F3FA; $base-ink: #141310; $base-50: #F1FAFD; $base-100: #DBF1FA; $base-200: #BAE2F3; $base-300: #8ACAE5; $base-400: #5FB0D3; $base-500: #3D93B8; $base-600: #35728C; $base-700: #2B5364; $base-800: #203741; $base-900: #152228; $base-hover: #93D1EC; $base-subtle: #F8FBFD;
{
"color": {
"base": {
"value": "#E3F3FA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FAFD",
"type": "color"
},
"100": {
"value": "#DBF1FA",
"type": "color"
},
"200": {
"value": "#BAE2F3",
"type": "color"
},
"300": {
"value": "#8ACAE5",
"type": "color"
},
"400": {
"value": "#5FB0D3",
"type": "color"
},
"500": {
"value": "#3D93B8",
"type": "color"
},
"600": {
"value": "#35728C",
"type": "color"
},
"700": {
"value": "#2B5364",
"type": "color"
},
"800": {
"value": "#203741",
"type": "color"
},
"900": {
"value": "#152228",
"type": "color"
}
}
}
}