#239591 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 #239591 works with other colors. Named schemes with #239591 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 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 anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
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 #239591 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 #239591 at work across the surfaces designers actually ship.
:root {
--color-base: #239591;
--color-base-rgb: 35 149 145;
--color-base-oklch: oklch(60.9% 0.096 191.3);
--color-50: #F2FDFC;
--color-100: #DDF8F7;
--color-200: #BDEFEE;
--color-300: #90E0DD;
--color-400: #66CCC9;
--color-500: #44B1AD;
--color-600: #3A8785;
--color-700: #2E605F;
--color-800: #223F3E;
--color-900: #162726;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dark-cyan: {
50: '#F2FDFC',
100: '#DDF8F7',
200: '#BDEFEE',
300: '#90E0DD',
400: '#66CCC9',
500: '#44B1AD',
600: '#3A8785',
700: '#2E605F',
800: '#223F3E',
900: '#162726',
},
}
$base: #239591; $base-ink: #141310; $base-50: #F2FDFC; $base-100: #DDF8F7; $base-200: #BDEFEE; $base-300: #90E0DD; $base-400: #66CCC9; $base-500: #44B1AD; $base-600: #3A8785; $base-700: #2E605F; $base-800: #223F3E; $base-900: #162726; $base-hover: #1C7774; $base-subtle: #B7E5E4;
{
"color": {
"base": {
"value": "#239591",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDFC",
"type": "color"
},
"100": {
"value": "#DDF8F7",
"type": "color"
},
"200": {
"value": "#BDEFEE",
"type": "color"
},
"300": {
"value": "#90E0DD",
"type": "color"
},
"400": {
"value": "#66CCC9",
"type": "color"
},
"500": {
"value": "#44B1AD",
"type": "color"
},
"600": {
"value": "#3A8785",
"type": "color"
},
"700": {
"value": "#2E605F",
"type": "color"
},
"800": {
"value": "#223F3E",
"type": "color"
},
"900": {
"value": "#162726",
"type": "color"
}
}
}
}