#09131E is a muted, temperate indigo. 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 #09131E works with other colors. Named schemes with #09131E in its natural role, and a note on why the supporting colors balance it.
Jet Black opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Jet Black keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Jet Black is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Jet Black.
Jet Black plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Jet Black 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 Jet Black carrying the quiet middle.
How #09131E 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 #09131E at work across the surfaces designers actually ship.
:root {
--color-base: #09131E;
--color-base-rgb: 9 19 30;
--color-base-oklch: oklch(18.3% 0.027 251.6);
--color-50: #F3F7FC;
--color-100: #DFEAF6;
--color-200: #C0D5EC;
--color-300: #95B6DA;
--color-400: #6C98C6;
--color-500: #4B79AA;
--color-600: #3F6083;
--color-700: #32475D;
--color-800: #23303D;
--color-900: #171E26;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
jet-black: {
50: '#F3F7FC',
100: '#DFEAF6',
200: '#C0D5EC',
300: '#95B6DA',
400: '#6C98C6',
500: '#4B79AA',
600: '#3F6083',
700: '#32475D',
800: '#23303D',
900: '#171E26',
},
}
$base: #09131E; $base-ink: #FFFFFF; $base-50: #F3F7FC; $base-100: #DFEAF6; $base-200: #C0D5EC; $base-300: #95B6DA; $base-400: #6C98C6; $base-500: #4B79AA; $base-600: #3F6083; $base-700: #32475D; $base-800: #23303D; $base-900: #171E26; $base-hover: #081019; $base-subtle: #9CB8D6;
{
"color": {
"base": {
"value": "#09131E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F7FC",
"type": "color"
},
"100": {
"value": "#DFEAF6",
"type": "color"
},
"200": {
"value": "#C0D5EC",
"type": "color"
},
"300": {
"value": "#95B6DA",
"type": "color"
},
"400": {
"value": "#6C98C6",
"type": "color"
},
"500": {
"value": "#4B79AA",
"type": "color"
},
"600": {
"value": "#3F6083",
"type": "color"
},
"700": {
"value": "#32475D",
"type": "color"
},
"800": {
"value": "#23303D",
"type": "color"
},
"900": {
"value": "#171E26",
"type": "color"
}
}
}
}