#2F87CA 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 #2F87CA works with other colors. Named schemes with #2F87CA in its natural role, and a note on why the supporting colors balance it.
Steel Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Steel 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 Steel Blue.
Steel 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.
Steel Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Steel 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 Steel Blue carrying the quiet middle.
How #2F87CA 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 #2F87CA at work across the surfaces designers actually ship.
:root {
--color-base: #2F87CA;
--color-base-rgb: 47 135 202;
--color-base-oklch: oklch(60.3% 0.131 245.7);
--color-50: #F2F8FD;
--color-100: #DDECF8;
--color-200: #BDDAEF;
--color-300: #90BDE0;
--color-400: #66A0CC;
--color-500: #4482B1;
--color-600: #3A6687;
--color-700: #2E4B60;
--color-800: #22323F;
--color-900: #162027;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F2F8FD',
100: '#DDECF8',
200: '#BDDAEF',
300: '#90BDE0',
400: '#66A0CC',
500: '#4482B1',
600: '#3A6687',
700: '#2E4B60',
800: '#22323F',
900: '#162027',
},
}
$base: #2F87CA; $base-ink: #141310; $base-50: #F2F8FD; $base-100: #DDECF8; $base-200: #BDDAEF; $base-300: #90BDE0; $base-400: #66A0CC; $base-500: #4482B1; $base-600: #3A6687; $base-700: #2E4B60; $base-800: #22323F; $base-900: #162027; $base-hover: #266CA2; $base-subtle: #C6DAEA;
{
"color": {
"base": {
"value": "#2F87CA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F8FD",
"type": "color"
},
"100": {
"value": "#DDECF8",
"type": "color"
},
"200": {
"value": "#BDDAEF",
"type": "color"
},
"300": {
"value": "#90BDE0",
"type": "color"
},
"400": {
"value": "#66A0CC",
"type": "color"
},
"500": {
"value": "#4482B1",
"type": "color"
},
"600": {
"value": "#3A6687",
"type": "color"
},
"700": {
"value": "#2E4B60",
"type": "color"
},
"800": {
"value": "#22323F",
"type": "color"
},
"900": {
"value": "#162027",
"type": "color"
}
}
}
}