#81CFEE 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 sits well as a supporting tone.
Not just a swatch — here's how #81CFEE works with other colors. Named schemes with #81CFEE 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 #81CFEE 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 #81CFEE at work across the surfaces designers actually ship.
:root {
--color-base: #81CFEE;
--color-base-rgb: 129 207 238;
--color-base-oklch: oklch(81.5% 0.088 225.4);
--color-50: #F1FAFE;
--color-100: #DAF2FB;
--color-200: #B7E4F5;
--color-300: #87CDE9;
--color-400: #5AB4D8;
--color-500: #3797BD;
--color-600: #327590;
--color-700: #295566;
--color-800: #1E3843;
--color-900: #142329;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sky-blue: {
50: '#F1FAFE',
100: '#DAF2FB',
200: '#B7E4F5',
300: '#87CDE9',
400: '#5AB4D8',
500: '#3797BD',
600: '#327590',
700: '#295566',
800: '#1E3843',
900: '#142329',
},
}
$base: #81CFEE; $base-ink: #141310; $base-50: #F1FAFE; $base-100: #DAF2FB; $base-200: #B7E4F5; $base-300: #87CDE9; $base-400: #5AB4D8; $base-500: #3797BD; $base-600: #327590; $base-700: #295566; $base-800: #1E3843; $base-900: #142329; $base-hover: #41B6E5; $base-subtle: #DDEFF6;
{
"color": {
"base": {
"value": "#81CFEE",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FAFE",
"type": "color"
},
"100": {
"value": "#DAF2FB",
"type": "color"
},
"200": {
"value": "#B7E4F5",
"type": "color"
},
"300": {
"value": "#87CDE9",
"type": "color"
},
"400": {
"value": "#5AB4D8",
"type": "color"
},
"500": {
"value": "#3797BD",
"type": "color"
},
"600": {
"value": "#327590",
"type": "color"
},
"700": {
"value": "#295566",
"type": "color"
},
"800": {
"value": "#1E3843",
"type": "color"
},
"900": {
"value": "#142329",
"type": "color"
}
}
}
}