#0A386E 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 #0A386E works with other colors. Named schemes with #0A386E 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 #0A386E 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 #0A386E at work across the surfaces designers actually ship.
:root {
--color-base: #0A386E;
--color-base-rgb: 10 56 110;
--color-base-oklch: oklch(34.5% 0.105 255.8);
--color-50: #F0F7FE;
--color-100: #D9E9FD;
--color-200: #B4D4F8;
--color-300: #82B4ED;
--color-400: #5494DE;
--color-500: #3176C3;
--color-600: #2D5D95;
--color-700: #264569;
--color-800: #1C2F44;
--color-900: #131E2A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
yale-blue: {
50: '#F0F7FE',
100: '#D9E9FD',
200: '#B4D4F8',
300: '#82B4ED',
400: '#5494DE',
500: '#3176C3',
600: '#2D5D95',
700: '#264569',
800: '#1C2F44',
900: '#131E2A',
},
}
$base: #0A386E; $base-ink: #FFFFFF; $base-50: #F0F7FE; $base-100: #D9E9FD; $base-200: #B4D4F8; $base-300: #82B4ED; $base-400: #5494DE; $base-500: #3176C3; $base-600: #2D5D95; $base-700: #264569; $base-800: #1C2F44; $base-900: #131E2A; $base-hover: #082E5A; $base-subtle: #A0C2EA;
{
"color": {
"base": {
"value": "#0A386E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D9E9FD",
"type": "color"
},
"200": {
"value": "#B4D4F8",
"type": "color"
},
"300": {
"value": "#82B4ED",
"type": "color"
},
"400": {
"value": "#5494DE",
"type": "color"
},
"500": {
"value": "#3176C3",
"type": "color"
},
"600": {
"value": "#2D5D95",
"type": "color"
},
"700": {
"value": "#264569",
"type": "color"
},
"800": {
"value": "#1C2F44",
"type": "color"
},
"900": {
"value": "#131E2A",
"type": "color"
}
}
}
}