#90CED3 is a soft, cool cyan-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 #90CED3 works with other colors. Named schemes with #90CED3 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 #90CED3 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 #90CED3 at work across the surfaces designers actually ship.
:root {
--color-base: #90CED3;
--color-base-rgb: 144 206 211;
--color-base-oklch: oklch(81.1% 0.063 202.3);
--color-50: #F4FAFB;
--color-100: #E1F3F4;
--color-200: #C5E5E8;
--color-300: #9CD0D3;
--color-400: #75B8BD;
--color-500: #559BA0;
--color-600: #46787C;
--color-700: #365659;
--color-800: #26393B;
--color-900: #192424;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sky-blue: {
50: '#F4FAFB',
100: '#E1F3F4',
200: '#C5E5E8',
300: '#9CD0D3',
400: '#75B8BD',
500: '#559BA0',
600: '#46787C',
700: '#365659',
800: '#26393B',
900: '#192424',
},
}
$base: #90CED3; $base-ink: #141310; $base-50: #F4FAFB; $base-100: #E1F3F4; $base-200: #C5E5E8; $base-300: #9CD0D3; $base-400: #75B8BD; $base-500: #559BA0; $base-600: #46787C; $base-700: #365659; $base-800: #26393B; $base-900: #192424; $base-hover: #5FB9BF; $base-subtle: #E1EFF0;
{
"color": {
"base": {
"value": "#90CED3",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FAFB",
"type": "color"
},
"100": {
"value": "#E1F3F4",
"type": "color"
},
"200": {
"value": "#C5E5E8",
"type": "color"
},
"300": {
"value": "#9CD0D3",
"type": "color"
},
"400": {
"value": "#75B8BD",
"type": "color"
},
"500": {
"value": "#559BA0",
"type": "color"
},
"600": {
"value": "#46787C",
"type": "color"
},
"700": {
"value": "#365659",
"type": "color"
},
"800": {
"value": "#26393B",
"type": "color"
},
"900": {
"value": "#192424",
"type": "color"
}
}
}
}