#2487CD 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 #2487CD works with other colors. Named schemes with #2487CD 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 #2487CD 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 #2487CD at work across the surfaces designers actually ship.
:root {
--color-base: #2487CD;
--color-base-rgb: 36 135 205;
--color-base-oklch: oklch(60.2% 0.138 245.1);
--color-50: #F1F8FD;
--color-100: #DBEDFA;
--color-200: #BADBF3;
--color-300: #8ABFE5;
--color-400: #5FA3D3;
--color-500: #3D85B8;
--color-600: #35688C;
--color-700: #2B4C64;
--color-800: #203341;
--color-900: #152028;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F1F8FD',
100: '#DBEDFA',
200: '#BADBF3',
300: '#8ABFE5',
400: '#5FA3D3',
500: '#3D85B8',
600: '#35688C',
700: '#2B4C64',
800: '#203341',
900: '#152028',
},
}
$base: #2487CD; $base-ink: #141310; $base-50: #F1F8FD; $base-100: #DBEDFA; $base-200: #BADBF3; $base-300: #8ABFE5; $base-400: #5FA3D3; $base-500: #3D85B8; $base-600: #35688C; $base-700: #2B4C64; $base-800: #203341; $base-900: #152028; $base-hover: #1D6BA3; $base-subtle: #C1DAEC;
{
"color": {
"base": {
"value": "#2487CD",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F8FD",
"type": "color"
},
"100": {
"value": "#DBEDFA",
"type": "color"
},
"200": {
"value": "#BADBF3",
"type": "color"
},
"300": {
"value": "#8ABFE5",
"type": "color"
},
"400": {
"value": "#5FA3D3",
"type": "color"
},
"500": {
"value": "#3D85B8",
"type": "color"
},
"600": {
"value": "#35688C",
"type": "color"
},
"700": {
"value": "#2B4C64",
"type": "color"
},
"800": {
"value": "#203341",
"type": "color"
},
"900": {
"value": "#152028",
"type": "color"
}
}
}
}