#257A89 is a mid-toned, cool blue. On the Color Lab it reads clean and engineered, restrained and easy to live with. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #257A89 works with other colors. Named schemes with #257A89 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 #257A89 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 #257A89 at work across the surfaces designers actually ship.
:root {
--color-base: #257A89;
--color-base-rgb: 37 122 137;
--color-base-oklch: oklch(53.7% 0.081 211.9);
--color-50: #F3FBFC;
--color-100: #DEF3F7;
--color-200: #BFE6ED;
--color-300: #93D1DC;
--color-400: #6ABAC8;
--color-500: #489EAD;
--color-600: #3D7A84;
--color-700: #30585E;
--color-800: #233A3E;
--color-900: #172426;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
teal-blue: {
50: '#F3FBFC',
100: '#DEF3F7',
200: '#BFE6ED',
300: '#93D1DC',
400: '#6ABAC8',
500: '#489EAD',
600: '#3D7A84',
700: '#30585E',
800: '#233A3E',
900: '#172426',
},
}
$base: #257A89; $base-ink: #FFFFFF; $base-50: #F3FBFC; $base-100: #DEF3F7; $base-200: #BFE6ED; $base-300: #93D1DC; $base-400: #6ABAC8; $base-500: #489EAD; $base-600: #3D7A84; $base-700: #30585E; $base-800: #233A3E; $base-900: #172426; $base-hover: #1E616D; $base-subtle: #B7DCE2;
{
"color": {
"base": {
"value": "#257A89",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FBFC",
"type": "color"
},
"100": {
"value": "#DEF3F7",
"type": "color"
},
"200": {
"value": "#BFE6ED",
"type": "color"
},
"300": {
"value": "#93D1DC",
"type": "color"
},
"400": {
"value": "#6ABAC8",
"type": "color"
},
"500": {
"value": "#489EAD",
"type": "color"
},
"600": {
"value": "#3D7A84",
"type": "color"
},
"700": {
"value": "#30585E",
"type": "color"
},
"800": {
"value": "#233A3E",
"type": "color"
},
"900": {
"value": "#172426",
"type": "color"
}
}
}
}