#91C3DB 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 #91C3DB works with other colors. Named schemes with #91C3DB 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 #91C3DB 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 #91C3DB at work across the surfaces designers actually ship.
:root {
--color-base: #91C3DB;
--color-base-rgb: 145 195 219;
--color-base-oklch: oklch(79.0% 0.062 229.1);
--color-50: #F3F9FC;
--color-100: #E0EFF6;
--color-200: #C1DEEB;
--color-300: #97C4D9;
--color-400: #6FA8C3;
--color-500: #4E8BA7;
--color-600: #416D81;
--color-700: #334F5C;
--color-800: #24353D;
--color-900: #182126;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sky-blue: {
50: '#F3F9FC',
100: '#E0EFF6',
200: '#C1DEEB',
300: '#97C4D9',
400: '#6FA8C3',
500: '#4E8BA7',
600: '#416D81',
700: '#334F5C',
800: '#24353D',
900: '#182126',
},
}
$base: #91C3DB; $base-ink: #141310; $base-50: #F3F9FC; $base-100: #E0EFF6; $base-200: #C1DEEB; $base-300: #97C4D9; $base-400: #6FA8C3; $base-500: #4E8BA7; $base-600: #416D81; $base-700: #334F5C; $base-800: #24353D; $base-900: #182126; $base-hover: #59A5C9; $base-subtle: #E0ECF1;
{
"color": {
"base": {
"value": "#91C3DB",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F9FC",
"type": "color"
},
"100": {
"value": "#E0EFF6",
"type": "color"
},
"200": {
"value": "#C1DEEB",
"type": "color"
},
"300": {
"value": "#97C4D9",
"type": "color"
},
"400": {
"value": "#6FA8C3",
"type": "color"
},
"500": {
"value": "#4E8BA7",
"type": "color"
},
"600": {
"value": "#416D81",
"type": "color"
},
"700": {
"value": "#334F5C",
"type": "color"
},
"800": {
"value": "#24353D",
"type": "color"
},
"900": {
"value": "#182126",
"type": "color"
}
}
}
}