#09151F 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 #09151F works with other colors. Named schemes with #09151F 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 #09151F 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 #09151F at work across the surfaces designers actually ship.
:root {
--color-base: #09151F;
--color-base-rgb: 9 21 31;
--color-base-oklch: oklch(19.0% 0.027 244.9);
--color-50: #F3F8FC;
--color-100: #DFECF6;
--color-200: #C0D8ED;
--color-300: #94BBDB;
--color-400: #6B9EC7;
--color-500: #4A7FAB;
--color-600: #3F6483;
--color-700: #314A5E;
--color-800: #23323E;
--color-900: #171F26;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
graphite: {
50: '#F3F8FC',
100: '#DFECF6',
200: '#C0D8ED',
300: '#94BBDB',
400: '#6B9EC7',
500: '#4A7FAB',
600: '#3F6483',
700: '#314A5E',
800: '#23323E',
900: '#171F26',
},
}
$base: #09151F; $base-ink: #FFFFFF; $base-50: #F3F8FC; $base-100: #DFECF6; $base-200: #C0D8ED; $base-300: #94BBDB; $base-400: #6B9EC7; $base-500: #4A7FAB; $base-600: #3F6483; $base-700: #314A5E; $base-800: #23323E; $base-900: #171F26; $base-hover: #071119; $base-subtle: #9BBCD6;
{
"color": {
"base": {
"value": "#09151F",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F8FC",
"type": "color"
},
"100": {
"value": "#DFECF6",
"type": "color"
},
"200": {
"value": "#C0D8ED",
"type": "color"
},
"300": {
"value": "#94BBDB",
"type": "color"
},
"400": {
"value": "#6B9EC7",
"type": "color"
},
"500": {
"value": "#4A7FAB",
"type": "color"
},
"600": {
"value": "#3F6483",
"type": "color"
},
"700": {
"value": "#314A5E",
"type": "color"
},
"800": {
"value": "#23323E",
"type": "color"
},
"900": {
"value": "#171F26",
"type": "color"
}
}
}
}