#2F80E2 is a mid-toned, cool indigo. 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 #2F80E2 works with other colors. Named schemes with #2F80E2 in its natural role, and a note on why the supporting colors balance it.
Signal Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Signal 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 Signal Blue.
Signal 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.
Signal Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Signal 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 Signal Blue carrying the quiet middle.
How #2F80E2 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 #2F80E2 at work across the surfaces designers actually ship.
:root {
--color-base: #2F80E2;
--color-base-rgb: 47 128 226;
--color-base-oklch: oklch(60.2% 0.168 255.5);
--color-50: #F1F7FE;
--color-100: #DAE9FB;
--color-200: #B7D3F5;
--color-300: #87B3E9;
--color-400: #5A93D8;
--color-500: #3774BD;
--color-600: #325C90;
--color-700: #294466;
--color-800: #1E2F43;
--color-900: #141E29;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
signal-blue: {
50: '#F1F7FE',
100: '#DAE9FB',
200: '#B7D3F5',
300: '#87B3E9',
400: '#5A93D8',
500: '#3774BD',
600: '#325C90',
700: '#294466',
800: '#1E2F43',
900: '#141E29',
},
}
$base: #2F80E2; $base-ink: #141310; $base-50: #F1F7FE; $base-100: #DAE9FB; $base-200: #B7D3F5; $base-300: #87B3E9; $base-400: #5A93D8; $base-500: #3774BD; $base-600: #325C90; $base-700: #294466; $base-800: #1E2F43; $base-900: #141E29; $base-hover: #1A66C2; $base-subtle: #C7DAF0;
{
"color": {
"base": {
"value": "#2F80E2",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F7FE",
"type": "color"
},
"100": {
"value": "#DAE9FB",
"type": "color"
},
"200": {
"value": "#B7D3F5",
"type": "color"
},
"300": {
"value": "#87B3E9",
"type": "color"
},
"400": {
"value": "#5A93D8",
"type": "color"
},
"500": {
"value": "#3774BD",
"type": "color"
},
"600": {
"value": "#325C90",
"type": "color"
},
"700": {
"value": "#294466",
"type": "color"
},
"800": {
"value": "#1E2F43",
"type": "color"
},
"900": {
"value": "#141E29",
"type": "color"
}
}
}
}