#3CA09E is a mid-toned, cool cyan. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #3CA09E works with other colors. Named schemes with #3CA09E 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 #3CA09E 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 #3CA09E at work across the surfaces designers actually ship.
:root {
--color-base: #3CA09E;
--color-base-rgb: 60 160 158;
--color-base-oklch: oklch(64.8% 0.091 193.3);
--color-50: #F4FBFB;
--color-100: #E1F4F4;
--color-200: #C4E8E8;
--color-300: #9BD5D4;
--color-400: #74BEBD;
--color-500: #53A2A1;
--color-600: #457D7C;
--color-700: #355A59;
--color-800: #263B3B;
--color-900: #192524;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cadet-blue: {
50: '#F4FBFB',
100: '#E1F4F4',
200: '#C4E8E8',
300: '#9BD5D4',
400: '#74BEBD',
500: '#53A2A1',
600: '#457D7C',
700: '#355A59',
800: '#263B3B',
900: '#192524',
},
}
$base: #3CA09E; $base-ink: #141310; $base-50: #F4FBFB; $base-100: #E1F4F4; $base-200: #C4E8E8; $base-300: #9BD5D4; $base-400: #74BEBD; $base-500: #53A2A1; $base-600: #457D7C; $base-700: #355A59; $base-800: #263B3B; $base-900: #192524; $base-hover: #307F7E; $base-subtle: #C4E2E2;
{
"color": {
"base": {
"value": "#3CA09E",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FBFB",
"type": "color"
},
"100": {
"value": "#E1F4F4",
"type": "color"
},
"200": {
"value": "#C4E8E8",
"type": "color"
},
"300": {
"value": "#9BD5D4",
"type": "color"
},
"400": {
"value": "#74BEBD",
"type": "color"
},
"500": {
"value": "#53A2A1",
"type": "color"
},
"600": {
"value": "#457D7C",
"type": "color"
},
"700": {
"value": "#355A59",
"type": "color"
},
"800": {
"value": "#263B3B",
"type": "color"
},
"900": {
"value": "#192524",
"type": "color"
}
}
}
}