#03070A is a near-black neutral with only a whisper of temperate cast. 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 #03070A works with other colors. Named schemes with #03070A in its natural role, and a note on why the supporting colors balance it.
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 sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
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 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 #03070A 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 #03070A at work across the surfaces designers actually ship.
:root {
--color-base: #03070A;
--color-base-rgb: 3 7 10;
--color-base-oklch: oklch(12.4% 0.013 232.7);
--color-50: #F3F8FC;
--color-100: #DFECF6;
--color-200: #C0D9EC;
--color-300: #95BCDA;
--color-400: #6C9FC6;
--color-500: #4B81AA;
--color-600: #3F6583;
--color-700: #324A5D;
--color-800: #23323D;
--color-900: #172026;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
jet-black: {
50: '#F3F8FC',
100: '#DFECF6',
200: '#C0D9EC',
300: '#95BCDA',
400: '#6C9FC6',
500: '#4B81AA',
600: '#3F6583',
700: '#324A5D',
800: '#23323D',
900: '#172026',
},
}
$base: #03070A; $base-ink: #FFFFFF; $base-50: #F3F8FC; $base-100: #DFECF6; $base-200: #C0D9EC; $base-300: #95BCDA; $base-400: #6C9FC6; $base-500: #4B81AA; $base-600: #3F6583; $base-700: #324A5D; $base-800: #23323D; $base-900: #172026; $base-hover: #030709; $base-subtle: #96B9D3;
{
"color": {
"base": {
"value": "#03070A",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F8FC",
"type": "color"
},
"100": {
"value": "#DFECF6",
"type": "color"
},
"200": {
"value": "#C0D9EC",
"type": "color"
},
"300": {
"value": "#95BCDA",
"type": "color"
},
"400": {
"value": "#6C9FC6",
"type": "color"
},
"500": {
"value": "#4B81AA",
"type": "color"
},
"600": {
"value": "#3F6583",
"type": "color"
},
"700": {
"value": "#324A5D",
"type": "color"
},
"800": {
"value": "#23323D",
"type": "color"
},
"900": {
"value": "#172026",
"type": "color"
}
}
}
}