#018490 is a mid-toned, cool cyan-blue. On the Color Lab it reads clean and engineered, with a faded, vintage edge. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #018490 works with other colors. Named schemes with #018490 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 #018490 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 #018490 at work across the surfaces designers actually ship.
:root {
--color-base: #018490;
--color-base-rgb: 1 132 144;
--color-base-oklch: oklch(56.0% 0.096 206.0);
--color-50: #F0FDFE;
--color-100: #D8FAFD;
--color-200: #B1F5FC;
--color-300: #78EDF7;
--color-400: #47DDEB;
--color-500: #23C3D2;
--color-600: #23949F;
--color-700: #1F696F;
--color-800: #194448;
--color-900: #112A2C;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dark-cyan: {
50: '#F0FDFE',
100: '#D8FAFD',
200: '#B1F5FC',
300: '#78EDF7',
400: '#47DDEB',
500: '#23C3D2',
600: '#23949F',
700: '#1F696F',
800: '#194448',
900: '#112A2C',
},
}
$base: #018490; $base-ink: #141310; $base-50: #F0FDFE; $base-100: #D8FAFD; $base-200: #B1F5FC; $base-300: #78EDF7; $base-400: #47DDEB; $base-500: #23C3D2; $base-600: #23949F; $base-700: #1F696F; $base-800: #194448; $base-900: #112A2C; $base-hover: #016872; $base-subtle: #9EEAF1;
{
"color": {
"base": {
"value": "#018490",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FDFE",
"type": "color"
},
"100": {
"value": "#D8FAFD",
"type": "color"
},
"200": {
"value": "#B1F5FC",
"type": "color"
},
"300": {
"value": "#78EDF7",
"type": "color"
},
"400": {
"value": "#47DDEB",
"type": "color"
},
"500": {
"value": "#23C3D2",
"type": "color"
},
"600": {
"value": "#23949F",
"type": "color"
},
"700": {
"value": "#1F696F",
"type": "color"
},
"800": {
"value": "#194448",
"type": "color"
},
"900": {
"value": "#112A2C",
"type": "color"
}
}
}
}