#B1D9F2 is a soft, cool blue. 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 #B1D9F2 works with other colors. Named schemes with #B1D9F2 in its natural role, and a note on why the supporting colors balance it.
Light Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Light Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Light Blue 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.
Light Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Light Blue.
Light Blue 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 Light Blue carrying the quiet middle.
How #B1D9F2 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 #B1D9F2 at work across the surfaces designers actually ship.
:root {
--color-base: #B1D9F2;
--color-base-rgb: 177 217 242;
--color-base-oklch: oklch(86.5% 0.055 235.7);
--color-50: #F1F9FD;
--color-100: #DBEEFA;
--color-200: #B9DDF3;
--color-300: #8AC2E5;
--color-400: #5EA7D4;
--color-500: #3C89B9;
--color-600: #356B8D;
--color-700: #2B4E64;
--color-800: #1F3442;
--color-900: #152128;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
light-blue: {
50: '#F1F9FD',
100: '#DBEEFA',
200: '#B9DDF3',
300: '#8AC2E5',
400: '#5EA7D4',
500: '#3C89B9',
600: '#356B8D',
700: '#2B4E64',
800: '#1F3442',
900: '#152128',
},
}
$base: #B1D9F2; $base-ink: #141310; $base-50: #F1F9FD; $base-100: #DBEEFA; $base-200: #B9DDF3; $base-300: #8AC2E5; $base-400: #5EA7D4; $base-500: #3C89B9; $base-600: #356B8D; $base-700: #2B4E64; $base-800: #1F3442; $base-900: #152128; $base-hover: #69B6E6; $base-subtle: #EAF3F9;
{
"color": {
"base": {
"value": "#B1D9F2",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F9FD",
"type": "color"
},
"100": {
"value": "#DBEEFA",
"type": "color"
},
"200": {
"value": "#B9DDF3",
"type": "color"
},
"300": {
"value": "#8AC2E5",
"type": "color"
},
"400": {
"value": "#5EA7D4",
"type": "color"
},
"500": {
"value": "#3C89B9",
"type": "color"
},
"600": {
"value": "#356B8D",
"type": "color"
},
"700": {
"value": "#2B4E64",
"type": "color"
},
"800": {
"value": "#1F3442",
"type": "color"
},
"900": {
"value": "#152128",
"type": "color"
}
}
}
}