#0D243F is a deep, cool indigo. On the Color Lab it reads clean and engineered, quietly premium. It is too dark to lead as a primary accent and reproduces cleanly in print.
Not just a swatch — here's how #0D243F works with other colors. Named schemes with #0D243F in its natural role, and a note on why the supporting colors balance it.
Navy opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Navy keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Navy is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Navy.
Navy plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Navy 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 Navy carrying the quiet middle.
How #0D243F 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 #0D243F at work across the surfaces designers actually ship.
:root {
--color-base: #0D243F;
--color-base-rgb: 13 36 63;
--color-base-oklch: oklch(25.8% 0.059 254.1);
--color-50: #F2F7FD;
--color-100: #DCEAF9;
--color-200: #BBD4F1;
--color-300: #8DB5E2;
--color-400: #6295D0;
--color-500: #4077B5;
--color-600: #385E8A;
--color-700: #2D4662;
--color-800: #212F40;
--color-900: #161E28;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
navy: {
50: '#F2F7FD',
100: '#DCEAF9',
200: '#BBD4F1',
300: '#8DB5E2',
400: '#6295D0',
500: '#4077B5',
600: '#385E8A',
700: '#2D4662',
800: '#212F40',
900: '#161E28',
},
}
$base: #0D243F; $base-ink: #FFFFFF; $base-50: #F2F7FD; $base-100: #DCEAF9; $base-200: #BBD4F1; $base-300: #8DB5E2; $base-400: #6295D0; $base-500: #4077B5; $base-600: #385E8A; $base-700: #2D4662; $base-800: #212F40; $base-900: #161E28; $base-hover: #0A1D33; $base-subtle: #9DBCDF;
{
"color": {
"base": {
"value": "#0D243F",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F7FD",
"type": "color"
},
"100": {
"value": "#DCEAF9",
"type": "color"
},
"200": {
"value": "#BBD4F1",
"type": "color"
},
"300": {
"value": "#8DB5E2",
"type": "color"
},
"400": {
"value": "#6295D0",
"type": "color"
},
"500": {
"value": "#4077B5",
"type": "color"
},
"600": {
"value": "#385E8A",
"type": "color"
},
"700": {
"value": "#2D4662",
"type": "color"
},
"800": {
"value": "#212F40",
"type": "color"
},
"900": {
"value": "#161E28",
"type": "color"
}
}
}
}