#263E60 is a deep, cool indigo. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #263E60 works with other colors. Named schemes with #263E60 in its natural role, and a note on why the supporting colors balance it.
Charcoal opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Charcoal keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Charcoal is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Charcoal.
Charcoal plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Charcoal 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 Charcoal carrying the quiet middle.
How #263E60 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 #263E60 at work across the surfaces designers actually ship.
:root {
--color-base: #263E60;
--color-base-rgb: 38 62 96;
--color-base-oklch: oklch(36.1% 0.066 257.2);
--color-50: #F4F7FB;
--color-100: #E1E9F4;
--color-200: #C5D3E8;
--color-300: #9CB3D3;
--color-400: #7593BD;
--color-500: #5574A0;
--color-600: #465C7C;
--color-700: #364559;
--color-800: #262F3B;
--color-900: #191E24;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
charcoal: {
50: '#F4F7FB',
100: '#E1E9F4',
200: '#C5D3E8',
300: '#9CB3D3',
400: '#7593BD',
500: '#5574A0',
600: '#465C7C',
700: '#364559',
800: '#262F3B',
900: '#191E24',
},
}
$base: #263E60; $base-ink: #FFFFFF; $base-50: #F4F7FB; $base-100: #E1E9F4; $base-200: #C5D3E8; $base-300: #9CB3D3; $base-400: #7593BD; $base-500: #5574A0; $base-600: #465C7C; $base-700: #364559; $base-800: #262F3B; $base-900: #191E24; $base-hover: #1E314C; $base-subtle: #B4C3D9;
{
"color": {
"base": {
"value": "#263E60",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4F7FB",
"type": "color"
},
"100": {
"value": "#E1E9F4",
"type": "color"
},
"200": {
"value": "#C5D3E8",
"type": "color"
},
"300": {
"value": "#9CB3D3",
"type": "color"
},
"400": {
"value": "#7593BD",
"type": "color"
},
"500": {
"value": "#5574A0",
"type": "color"
},
"600": {
"value": "#465C7C",
"type": "color"
},
"700": {
"value": "#364559",
"type": "color"
},
"800": {
"value": "#262F3B",
"type": "color"
},
"900": {
"value": "#191E24",
"type": "color"
}
}
}
}