#B1D9FC is a soft, cool blue. On the Color Lab it reads clean and engineered. It holds up as a large surface and is too pale to lead as a primary accent.
Not just a swatch — here's how #B1D9FC works with other colors. Named schemes with #B1D9FC 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 #B1D9FC 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 #B1D9FC at work across the surfaces designers actually ship.
:root {
--color-base: #B1D9FC;
--color-base-rgb: 177 217 252;
--color-base-oklch: oklch(86.8% 0.064 245.0);
--color-50: #F0F8FE;
--color-100: #D8ECFD;
--color-200: #B1D9FC;
--color-300: #7CBCF4;
--color-400: #4C9EE6;
--color-500: #2980CC;
--color-600: #27659B;
--color-700: #224A6D;
--color-800: #1A3247;
--color-900: #121F2B;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
light-blue: {
50: '#F0F8FE',
100: '#D8ECFD',
200: '#B1D9FC',
300: '#7CBCF4',
400: '#4C9EE6',
500: '#2980CC',
600: '#27659B',
700: '#224A6D',
800: '#1A3247',
900: '#121F2B',
},
}
$base: #B1D9FC; $base-ink: #141310; $base-50: #F0F8FE; $base-100: #D8ECFD; $base-200: #B1D9FC; $base-300: #7CBCF4; $base-400: #4C9EE6; $base-500: #2980CC; $base-600: #27659B; $base-700: #224A6D; $base-800: #1A3247; $base-900: #121F2B; $base-hover: #5EB1F9; $base-subtle: #EAF3FB;
{
"color": {
"base": {
"value": "#B1D9FC",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F8FE",
"type": "color"
},
"100": {
"value": "#D8ECFD",
"type": "color"
},
"200": {
"value": "#B1D9FC",
"type": "color"
},
"300": {
"value": "#7CBCF4",
"type": "color"
},
"400": {
"value": "#4C9EE6",
"type": "color"
},
"500": {
"value": "#2980CC",
"type": "color"
},
"600": {
"value": "#27659B",
"type": "color"
},
"700": {
"value": "#224A6D",
"type": "color"
},
"800": {
"value": "#1A3247",
"type": "color"
},
"900": {
"value": "#121F2B",
"type": "color"
}
}
}
}