#DEF2F9 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 #DEF2F9 works with other colors. Named schemes with #DEF2F9 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 #DEF2F9 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 #DEF2F9 at work across the surfaces designers actually ship.
:root {
--color-base: #DEF2F9;
--color-base-rgb: 222 242 249;
--color-base-oklch: oklch(94.8% 0.023 220.7);
--color-50: #F2FAFD;
--color-100: #DCF2F9;
--color-200: #BAE3F2;
--color-300: #8BCCE4;
--color-400: #60B4D2;
--color-500: #3E97B7;
--color-600: #36758C;
--color-700: #2C5463;
--color-800: #203841;
--color-900: #152328;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F2FAFD',
100: '#DCF2F9',
200: '#BAE3F2',
300: '#8BCCE4',
400: '#60B4D2',
500: '#3E97B7',
600: '#36758C',
700: '#2C5463',
800: '#203841',
900: '#152328',
},
}
$base: #DEF2F9; $base-ink: #141310; $base-50: #F2FAFD; $base-100: #DCF2F9; $base-200: #BAE3F2; $base-300: #8BCCE4; $base-400: #60B4D2; $base-500: #3E97B7; $base-600: #36758C; $base-700: #2C5463; $base-800: #203841; $base-900: #152328; $base-hover: #8DD1EA; $base-subtle: #F6FAFC;
{
"color": {
"base": {
"value": "#DEF2F9",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FAFD",
"type": "color"
},
"100": {
"value": "#DCF2F9",
"type": "color"
},
"200": {
"value": "#BAE3F2",
"type": "color"
},
"300": {
"value": "#8BCCE4",
"type": "color"
},
"400": {
"value": "#60B4D2",
"type": "color"
},
"500": {
"value": "#3E97B7",
"type": "color"
},
"600": {
"value": "#36758C",
"type": "color"
},
"700": {
"value": "#2C5463",
"type": "color"
},
"800": {
"value": "#203841",
"type": "color"
},
"900": {
"value": "#152328",
"type": "color"
}
}
}
}