#277CA0 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 #277CA0 works with other colors. Named schemes with #277CA0 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 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 sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
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 #277CA0 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 #277CA0 at work across the surfaces designers actually ship.
:root {
--color-base: #277CA0;
--color-base-rgb: 39 124 160;
--color-base-oklch: oklch(55.3% 0.096 230.7);
--color-50: #F2F9FC;
--color-100: #DDF0F8;
--color-200: #BDE0EF;
--color-300: #90C7DF;
--color-400: #67ADCB;
--color-500: #4590B0;
--color-600: #3B7087;
--color-700: #2F5160;
--color-800: #22363F;
--color-900: #162227;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
teal-blue: {
50: '#F2F9FC',
100: '#DDF0F8',
200: '#BDE0EF',
300: '#90C7DF',
400: '#67ADCB',
500: '#4590B0',
600: '#3B7087',
700: '#2F5160',
800: '#22363F',
900: '#162227',
},
}
$base: #277CA0; $base-ink: #FFFFFF; $base-50: #F2F9FC; $base-100: #DDF0F8; $base-200: #BDE0EF; $base-300: #90C7DF; $base-400: #67ADCB; $base-500: #4590B0; $base-600: #3B7087; $base-700: #2F5160; $base-800: #22363F; $base-900: #162227; $base-hover: #1F6380; $base-subtle: #BBD9E6;
{
"color": {
"base": {
"value": "#277CA0",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F9FC",
"type": "color"
},
"100": {
"value": "#DDF0F8",
"type": "color"
},
"200": {
"value": "#BDE0EF",
"type": "color"
},
"300": {
"value": "#90C7DF",
"type": "color"
},
"400": {
"value": "#67ADCB",
"type": "color"
},
"500": {
"value": "#4590B0",
"type": "color"
},
"600": {
"value": "#3B7087",
"type": "color"
},
"700": {
"value": "#2F5160",
"type": "color"
},
"800": {
"value": "#22363F",
"type": "color"
},
"900": {
"value": "#162227",
"type": "color"
}
}
}
}