#189591 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 #189591 works with other colors. Named schemes with #189591 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 #189591 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 #189591 at work across the surfaces designers actually ship.
:root {
--color-base: #189591;
--color-base-rgb: 24 149 145;
--color-base-oklch: oklch(60.7% 0.100 191.4);
--color-50: #F1FDFD;
--color-100: #DBFAF9;
--color-200: #B9F3F2;
--color-300: #89E6E3;
--color-400: #5DD5D1;
--color-500: #3BBAB6;
--color-600: #348E8B;
--color-700: #2A6463;
--color-800: #1F4241;
--color-900: #152828;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dark-cyan: {
50: '#F1FDFD',
100: '#DBFAF9',
200: '#B9F3F2',
300: '#89E6E3',
400: '#5DD5D1',
500: '#3BBAB6',
600: '#348E8B',
700: '#2A6463',
800: '#1F4241',
900: '#152828',
},
}
$base: #189591; $base-ink: #141310; $base-50: #F1FDFD; $base-100: #DBFAF9; $base-200: #B9F3F2; $base-300: #89E6E3; $base-400: #5DD5D1; $base-500: #3BBAB6; $base-600: #348E8B; $base-700: #2A6463; $base-800: #1F4241; $base-900: #152828; $base-hover: #137774; $base-subtle: #B1E8E6;
{
"color": {
"base": {
"value": "#189591",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FDFD",
"type": "color"
},
"100": {
"value": "#DBFAF9",
"type": "color"
},
"200": {
"value": "#B9F3F2",
"type": "color"
},
"300": {
"value": "#89E6E3",
"type": "color"
},
"400": {
"value": "#5DD5D1",
"type": "color"
},
"500": {
"value": "#3BBAB6",
"type": "color"
},
"600": {
"value": "#348E8B",
"type": "color"
},
"700": {
"value": "#2A6463",
"type": "color"
},
"800": {
"value": "#1F4241",
"type": "color"
},
"900": {
"value": "#152828",
"type": "color"
}
}
}
}