#277BA2 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 #277BA2 works with other colors. Named schemes with #277BA2 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 #277BA2 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 #277BA2 at work across the surfaces designers actually ship.
:root {
--color-base: #277BA2;
--color-base-rgb: 39 123 162;
--color-base-oklch: oklch(55.1% 0.099 233.1);
--color-50: #F2F9FC;
--color-100: #DDEFF8;
--color-200: #BDDFEF;
--color-300: #90C6DF;
--color-400: #67ACCB;
--color-500: #458EB0;
--color-600: #3B6F87;
--color-700: #2F5060;
--color-800: #22363F;
--color-900: #162227;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
teal-blue: {
50: '#F2F9FC',
100: '#DDEFF8',
200: '#BDDFEF',
300: '#90C6DF',
400: '#67ACCB',
500: '#458EB0',
600: '#3B6F87',
700: '#2F5060',
800: '#22363F',
900: '#162227',
},
}
$base: #277BA2; $base-ink: #FFFFFF; $base-50: #F2F9FC; $base-100: #DDEFF8; $base-200: #BDDFEF; $base-300: #90C6DF; $base-400: #67ACCB; $base-500: #458EB0; $base-600: #3B6F87; $base-700: #2F5060; $base-800: #22363F; $base-900: #162227; $base-hover: #1F6180; $base-subtle: #BBD8E6;
{
"color": {
"base": {
"value": "#277BA2",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F9FC",
"type": "color"
},
"100": {
"value": "#DDEFF8",
"type": "color"
},
"200": {
"value": "#BDDFEF",
"type": "color"
},
"300": {
"value": "#90C6DF",
"type": "color"
},
"400": {
"value": "#67ACCB",
"type": "color"
},
"500": {
"value": "#458EB0",
"type": "color"
},
"600": {
"value": "#3B6F87",
"type": "color"
},
"700": {
"value": "#2F5060",
"type": "color"
},
"800": {
"value": "#22363F",
"type": "color"
},
"900": {
"value": "#162227",
"type": "color"
}
}
}
}