Cadet Blue is a mid-toned, cool cyan-blue. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how Cadet Blue works with other colors. Named schemes with Cadet Blue in its natural role, and a note on why the supporting colors balance it.
Cadet Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cadet 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.
Cadet Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cadet 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 Cadet Blue carrying the quiet middle.
Cadet 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 Cadet Blue.
How Cadet Blue 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 Cadet Blue at work across the surfaces designers actually ship.
:root {
--color-base: #5F9EA0;
--color-base-rgb: 95 158 160;
--color-base-oklch: oklch(65.8% 0.065 198.3);
--color-50: #F5F9F9;
--color-100: #E5F0F0;
--color-200: #CCE0E0;
--color-300: #A7C7C8;
--color-400: #84ACAE;
--color-500: #648F90;
--color-600: #516F70;
--color-700: #3D5151;
--color-800: #2A3636;
--color-900: #1B2222;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cadet-blue: {
50: '#F5F9F9',
100: '#E5F0F0',
200: '#CCE0E0',
300: '#A7C7C8',
400: '#84ACAE',
500: '#648F90',
600: '#516F70',
700: '#3D5151',
800: '#2A3636',
900: '#1B2222',
},
}
$base: #5F9EA0; $base-ink: #141310; $base-50: #F5F9F9; $base-100: #E5F0F0; $base-200: #CCE0E0; $base-300: #A7C7C8; $base-400: #84ACAE; $base-500: #648F90; $base-600: #516F70; $base-700: #3D5151; $base-800: #2A3636; $base-900: #1B2222; $base-hover: #4D7E80; $base-subtle: #D1E0E0;
{
"color": {
"base": {
"value": "#5F9EA0",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F9F9",
"type": "color"
},
"100": {
"value": "#E5F0F0",
"type": "color"
},
"200": {
"value": "#CCE0E0",
"type": "color"
},
"300": {
"value": "#A7C7C8",
"type": "color"
},
"400": {
"value": "#84ACAE",
"type": "color"
},
"500": {
"value": "#648F90",
"type": "color"
},
"600": {
"value": "#516F70",
"type": "color"
},
"700": {
"value": "#3D5151",
"type": "color"
},
"800": {
"value": "#2A3636",
"type": "color"
},
"900": {
"value": "#1B2222",
"type": "color"
}
}
}
}