#030F18 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 #030F18 works with other colors. Named schemes with #030F18 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 #030F18 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 #030F18 at work across the surfaces designers actually ship.
:root {
--color-base: #030F18;
--color-base-rgb: 3 15 24;
--color-base-oklch: oklch(16.1% 0.028 239.0);
--color-50: #F1F8FE;
--color-100: #DAEDFB;
--color-200: #B6DAF6;
--color-300: #85BEEA;
--color-400: #58A2DA;
--color-500: #3684BF;
--color-600: #306791;
--color-700: #284C67;
--color-800: #1E3343;
--color-900: #142029;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
jet-black: {
50: '#F1F8FE',
100: '#DAEDFB',
200: '#B6DAF6',
300: '#85BEEA',
400: '#58A2DA',
500: '#3684BF',
600: '#306791',
700: '#284C67',
800: '#1E3343',
900: '#142029',
},
}
$base: #030F18; $base-ink: #FFFFFF; $base-50: #F1F8FE; $base-100: #DAEDFB; $base-200: #B6DAF6; $base-300: #85BEEA; $base-400: #58A2DA; $base-500: #3684BF; $base-600: #306791; $base-700: #284C67; $base-800: #1E3343; $base-900: #142029; $base-hover: #020B12; $base-subtle: #8BBCE1;
{
"color": {
"base": {
"value": "#030F18",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F8FE",
"type": "color"
},
"100": {
"value": "#DAEDFB",
"type": "color"
},
"200": {
"value": "#B6DAF6",
"type": "color"
},
"300": {
"value": "#85BEEA",
"type": "color"
},
"400": {
"value": "#58A2DA",
"type": "color"
},
"500": {
"value": "#3684BF",
"type": "color"
},
"600": {
"value": "#306791",
"type": "color"
},
"700": {
"value": "#284C67",
"type": "color"
},
"800": {
"value": "#1E3343",
"type": "color"
},
"900": {
"value": "#142029",
"type": "color"
}
}
}
}