#218E95 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 sits well as a supporting tone.
Not just a swatch — here's how #218E95 works with other colors. Named schemes with #218E95 in its natural role, and a note on why the supporting colors balance it.
Dark Cyan opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Dark Cyan is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Dark Cyan.
Dark Cyan plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Dark Cyan sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Dark Cyan 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 Dark Cyan carrying the quiet middle.
How #218E95 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 #218E95 at work across the surfaces designers actually ship.
:root {
--color-base: #218E95;
--color-base-rgb: 33 142 149;
--color-base-oklch: oklch(59.2% 0.093 201.6);
--color-50: #F2FCFD;
--color-100: #DDF7F8;
--color-200: #BCEDF0;
--color-300: #8EDBE1;
--color-400: #64C7CE;
--color-500: #42ABB3;
--color-600: #398389;
--color-700: #2E5E61;
--color-800: #213E40;
--color-900: #162627;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dark-cyan: {
50: '#F2FCFD',
100: '#DDF7F8',
200: '#BCEDF0',
300: '#8EDBE1',
400: '#64C7CE',
500: '#42ABB3',
600: '#398389',
700: '#2E5E61',
800: '#213E40',
900: '#162627',
},
}
$base: #218E95; $base-ink: #141310; $base-50: #F2FCFD; $base-100: #DDF7F8; $base-200: #BCEDF0; $base-300: #8EDBE1; $base-400: #64C7CE; $base-500: #42ABB3; $base-600: #398389; $base-700: #2E5E61; $base-800: #213E40; $base-900: #162627; $base-hover: #1A7278; $base-subtle: #B6E3E6;
{
"color": {
"base": {
"value": "#218E95",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FCFD",
"type": "color"
},
"100": {
"value": "#DDF7F8",
"type": "color"
},
"200": {
"value": "#BCEDF0",
"type": "color"
},
"300": {
"value": "#8EDBE1",
"type": "color"
},
"400": {
"value": "#64C7CE",
"type": "color"
},
"500": {
"value": "#42ABB3",
"type": "color"
},
"600": {
"value": "#398389",
"type": "color"
},
"700": {
"value": "#2E5E61",
"type": "color"
},
"800": {
"value": "#213E40",
"type": "color"
},
"900": {
"value": "#162627",
"type": "color"
}
}
}
}