#09151D is a muted, temperate blue. On the Color Lab it reads clean and engineered, quietly premium. It holds up as a large surface and is too dark to lead as a primary accent.
Not just a swatch — here's how #09151D works with other colors. Named schemes with #09151D in its natural role, and a note on why the supporting colors balance it.
Graphite opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Graphite keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Graphite is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Graphite.
Graphite plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Graphite 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 Graphite carrying the quiet middle.
How #09151D 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 #09151D at work across the surfaces designers actually ship.
:root {
--color-base: #09151D;
--color-base-rgb: 9 21 29;
--color-base-oklch: oklch(18.9% 0.024 238.9);
--color-50: #F3F8FC;
--color-100: #DFEDF6;
--color-200: #C1DBEC;
--color-300: #95BEDA;
--color-400: #6DA2C5;
--color-500: #4C84A9;
--color-600: #406782;
--color-700: #324C5D;
--color-800: #24333D;
--color-900: #172026;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
graphite: {
50: '#F3F8FC',
100: '#DFEDF6',
200: '#C1DBEC',
300: '#95BEDA',
400: '#6DA2C5',
500: '#4C84A9',
600: '#406782',
700: '#324C5D',
800: '#24333D',
900: '#172026',
},
}
$base: #09151D; $base-ink: #FFFFFF; $base-50: #F3F8FC; $base-100: #DFEDF6; $base-200: #C1DBEC; $base-300: #95BEDA; $base-400: #6DA2C5; $base-500: #4C84A9; $base-600: #406782; $base-700: #324C5D; $base-800: #24333D; $base-900: #172026; $base-hover: #071016; $base-subtle: #9BBED5;
{
"color": {
"base": {
"value": "#09151D",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F8FC",
"type": "color"
},
"100": {
"value": "#DFEDF6",
"type": "color"
},
"200": {
"value": "#C1DBEC",
"type": "color"
},
"300": {
"value": "#95BEDA",
"type": "color"
},
"400": {
"value": "#6DA2C5",
"type": "color"
},
"500": {
"value": "#4C84A9",
"type": "color"
},
"600": {
"value": "#406782",
"type": "color"
},
"700": {
"value": "#324C5D",
"type": "color"
},
"800": {
"value": "#24333D",
"type": "color"
},
"900": {
"value": "#172026",
"type": "color"
}
}
}
}