#166D85 is a mid-toned, cool 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 #166D85 works with other colors. Named schemes with #166D85 in its natural role, and a note on why the supporting colors balance it.
Teal Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Teal Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Teal 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 Teal Blue.
Teal Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Teal 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 Teal Blue carrying the quiet middle.
How #166D85 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 #166D85 at work across the surfaces designers actually ship.
:root {
--color-base: #166D85;
--color-base-rgb: 22 109 133;
--color-base-oklch: oklch(49.8% 0.085 221.7);
--color-50: #F1FBFD;
--color-100: #DBF3FA;
--color-200: #B9E7F3;
--color-300: #89D2E6;
--color-400: #5DBBD5;
--color-500: #3B9EBA;
--color-600: #347A8E;
--color-700: #2A5864;
--color-800: #1F3A42;
--color-900: #152428;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
teal-blue: {
50: '#F1FBFD',
100: '#DBF3FA',
200: '#B9E7F3',
300: '#89D2E6',
400: '#5DBBD5',
500: '#3B9EBA',
600: '#347A8E',
700: '#2A5864',
800: '#1F3A42',
900: '#152428',
},
}
$base: #166D85; $base-ink: #FFFFFF; $base-50: #F1FBFD; $base-100: #DBF3FA; $base-200: #B9E7F3; $base-300: #89D2E6; $base-400: #5DBBD5; $base-500: #3B9EBA; $base-600: #347A8E; $base-700: #2A5864; $base-800: #1F3A42; $base-900: #152428; $base-hover: #115669; $base-subtle: #ACDAE7;
{
"color": {
"base": {
"value": "#166D85",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FBFD",
"type": "color"
},
"100": {
"value": "#DBF3FA",
"type": "color"
},
"200": {
"value": "#B9E7F3",
"type": "color"
},
"300": {
"value": "#89D2E6",
"type": "color"
},
"400": {
"value": "#5DBBD5",
"type": "color"
},
"500": {
"value": "#3B9EBA",
"type": "color"
},
"600": {
"value": "#347A8E",
"type": "color"
},
"700": {
"value": "#2A5864",
"type": "color"
},
"800": {
"value": "#1F3A42",
"type": "color"
},
"900": {
"value": "#152428",
"type": "color"
}
}
}
}