#0F3876 is a deep, cool indigo. On the Color Lab it reads clean and engineered, quietly premium. It sits well as a supporting tone.
Not just a swatch — here's how #0F3876 works with other colors. Named schemes with #0F3876 in its natural role, and a note on why the supporting colors balance it.
Yale Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.
Yale Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Yale Blue.
Yale Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Yale 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.
Yale 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 Yale Blue carrying the quiet middle.
How #0F3876 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 #0F3876 at work across the surfaces designers actually ship.
:root {
--color-base: #0F3876;
--color-base-rgb: 15 56 118;
--color-base-oklch: oklch(35.2% 0.116 259.1);
--color-50: #F1F6FE;
--color-100: #DAE7FB;
--color-200: #B7D0F5;
--color-300: #86AEE9;
--color-400: #598CD9;
--color-500: #376DBE;
--color-600: #315791;
--color-700: #284166;
--color-800: #1E2D43;
--color-900: #141D29;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
yale-blue: {
50: '#F1F6FE',
100: '#DAE7FB',
200: '#B7D0F5',
300: '#86AEE9',
400: '#598CD9',
500: '#376DBE',
600: '#315791',
700: '#284166',
800: '#1E2D43',
900: '#141D29',
},
}
$base: #0F3876; $base-ink: #FFFFFF; $base-50: #F1F6FE; $base-100: #DAE7FB; $base-200: #B7D0F5; $base-300: #86AEE9; $base-400: #598CD9; $base-500: #376DBE; $base-600: #315791; $base-700: #284166; $base-800: #1E2D43; $base-900: #141D29; $base-hover: #0C2D5E; $base-subtle: #A5C0E8;
{
"color": {
"base": {
"value": "#0F3876",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F6FE",
"type": "color"
},
"100": {
"value": "#DAE7FB",
"type": "color"
},
"200": {
"value": "#B7D0F5",
"type": "color"
},
"300": {
"value": "#86AEE9",
"type": "color"
},
"400": {
"value": "#598CD9",
"type": "color"
},
"500": {
"value": "#376DBE",
"type": "color"
},
"600": {
"value": "#315791",
"type": "color"
},
"700": {
"value": "#284166",
"type": "color"
},
"800": {
"value": "#1E2D43",
"type": "color"
},
"900": {
"value": "#141D29",
"type": "color"
}
}
}
}