#4F82BB 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 reproduces cleanly in print.
Not just a swatch — here's how #4F82BB works with other colors. Named schemes with #4F82BB 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 #4F82BB 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 #4F82BB at work across the surfaces designers actually ship.
:root {
--color-base: #4F82BB;
--color-base-rgb: 79 130 187;
--color-base-oklch: oklch(59.6% 0.104 252.3);
--color-50: #F4F7FB;
--color-100: #E1EAF4;
--color-200: #C4D5E8;
--color-300: #9BB6D4;
--color-400: #7597BD;
--color-500: #5478A1;
--color-600: #465F7C;
--color-700: #364659;
--color-800: #26303B;
--color-900: #191E25;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
steel-blue: {
50: '#F4F7FB',
100: '#E1EAF4',
200: '#C4D5E8',
300: '#9BB6D4',
400: '#7597BD',
500: '#5478A1',
600: '#465F7C',
700: '#364659',
800: '#26303B',
900: '#191E25',
},
}
$base: #4F82BB; $base-ink: #141310; $base-50: #F4F7FB; $base-100: #E1EAF4; $base-200: #C4D5E8; $base-300: #9BB6D4; $base-400: #7597BD; $base-500: #5478A1; $base-600: #465F7C; $base-700: #364659; $base-800: #26303B; $base-900: #191E25; $base-hover: #3B6799; $base-subtle: #CED9E7;
{
"color": {
"base": {
"value": "#4F82BB",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4F7FB",
"type": "color"
},
"100": {
"value": "#E1EAF4",
"type": "color"
},
"200": {
"value": "#C4D5E8",
"type": "color"
},
"300": {
"value": "#9BB6D4",
"type": "color"
},
"400": {
"value": "#7597BD",
"type": "color"
},
"500": {
"value": "#5478A1",
"type": "color"
},
"600": {
"value": "#465F7C",
"type": "color"
},
"700": {
"value": "#364659",
"type": "color"
},
"800": {
"value": "#26303B",
"type": "color"
},
"900": {
"value": "#191E25",
"type": "color"
}
}
}
}