#91CBE6 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 #91CBE6 works with other colors. Named schemes with #91CBE6 in its natural role, and a note on why the supporting colors balance it.
Sky Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Sky Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Sky 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.
Sky 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 Sky Blue.
Sky 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 Sky Blue carrying the quiet middle.
How #91CBE6 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 #91CBE6 at work across the surfaces designers actually ship.
:root {
--color-base: #91CBE6;
--color-base-rgb: 145 203 230;
--color-base-oklch: oklch(81.2% 0.071 228.6);
--color-50: #F2F9FD;
--color-100: #DDF0F8;
--color-200: #BDE0F0;
--color-300: #8FC7E0;
--color-400: #65ACCD;
--color-500: #438FB2;
--color-600: #3A6F88;
--color-700: #2E5161;
--color-800: #213640;
--color-900: #162227;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sky-blue: {
50: '#F2F9FD',
100: '#DDF0F8',
200: '#BDE0F0',
300: '#8FC7E0',
400: '#65ACCD',
500: '#438FB2',
600: '#3A6F88',
700: '#2E5161',
800: '#213640',
900: '#162227',
},
}
$base: #91CBE6; $base-ink: #141310; $base-50: #F2F9FD; $base-100: #DDF0F8; $base-200: #BDE0F0; $base-300: #8FC7E0; $base-400: #65ACCD; $base-500: #438FB2; $base-600: #3A6F88; $base-700: #2E5161; $base-800: #213640; $base-900: #162227; $base-hover: #55AFD9; $base-subtle: #E2EFF5;
{
"color": {
"base": {
"value": "#91CBE6",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F9FD",
"type": "color"
},
"100": {
"value": "#DDF0F8",
"type": "color"
},
"200": {
"value": "#BDE0F0",
"type": "color"
},
"300": {
"value": "#8FC7E0",
"type": "color"
},
"400": {
"value": "#65ACCD",
"type": "color"
},
"500": {
"value": "#438FB2",
"type": "color"
},
"600": {
"value": "#3A6F88",
"type": "color"
},
"700": {
"value": "#2E5161",
"type": "color"
},
"800": {
"value": "#213640",
"type": "color"
},
"900": {
"value": "#162227",
"type": "color"
}
}
}
}