#91C5EA is a soft, cool blue. On the Color Lab it reads clean and engineered. It is too pale to lead as a primary accent and reproduces cleanly in print.
Not just a swatch — here's how #91C5EA works with other colors. Named schemes with #91C5EA 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 #91C5EA 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 #91C5EA at work across the surfaces designers actually ship.
:root {
--color-base: #91C5EA;
--color-base-rgb: 145 197 234;
--color-base-oklch: oklch(80.0% 0.076 239.9);
--color-50: #F2F8FD;
--color-100: #DCEDF9;
--color-200: #BBDBF2;
--color-300: #8CBFE3;
--color-400: #61A2D1;
--color-500: #3F84B6;
--color-600: #37688B;
--color-700: #2C4C63;
--color-800: #203341;
--color-900: #152028;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sky-blue: {
50: '#F2F8FD',
100: '#DCEDF9',
200: '#BBDBF2',
300: '#8CBFE3',
400: '#61A2D1',
500: '#3F84B6',
600: '#37688B',
700: '#2C4C63',
800: '#203341',
900: '#152028',
},
}
$base: #91C5EA; $base-ink: #141310; $base-50: #F2F8FD; $base-100: #DCEDF9; $base-200: #BBDBF2; $base-300: #8CBFE3; $base-400: #61A2D1; $base-500: #3F84B6; $base-600: #37688B; $base-700: #2C4C63; $base-800: #203341; $base-900: #152028; $base-hover: #50A3DE; $base-subtle: #E1EDF5;
{
"color": {
"base": {
"value": "#91C5EA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F8FD",
"type": "color"
},
"100": {
"value": "#DCEDF9",
"type": "color"
},
"200": {
"value": "#BBDBF2",
"type": "color"
},
"300": {
"value": "#8CBFE3",
"type": "color"
},
"400": {
"value": "#61A2D1",
"type": "color"
},
"500": {
"value": "#3F84B6",
"type": "color"
},
"600": {
"value": "#37688B",
"type": "color"
},
"700": {
"value": "#2C4C63",
"type": "color"
},
"800": {
"value": "#203341",
"type": "color"
},
"900": {
"value": "#152028",
"type": "color"
}
}
}
}