#03070E 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 #03070E works with other colors. Named schemes with #03070E 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 #03070E 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 #03070E at work across the surfaces designers actually ship.
:root {
--color-base: #03070E;
--color-base-rgb: 3 7 14;
--color-base-oklch: oklch(12.7% 0.019 253.4);
--color-50: #F2F6FD;
--color-100: #DDE7F9;
--color-200: #BCCFF1;
--color-300: #8EACE2;
--color-400: #638BCF;
--color-500: #416BB4;
--color-600: #385689;
--color-700: #2D4062;
--color-800: #212C40;
--color-900: #161C27;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
jet-black: {
50: '#F2F6FD',
100: '#DDE7F9',
200: '#BCCFF1',
300: '#8EACE2',
400: '#638BCF',
500: '#416BB4',
600: '#385689',
700: '#2D4062',
800: '#212C40',
900: '#161C27',
},
}
$base: #03070E; $base-ink: #FFFFFF; $base-50: #F2F6FD; $base-100: #DDE7F9; $base-200: #BCCFF1; $base-300: #8EACE2; $base-400: #638BCF; $base-500: #416BB4; $base-600: #385689; $base-700: #2D4062; $base-800: #212C40; $base-900: #161C27; $base-hover: #02050A; $base-subtle: #90ABD9;
{
"color": {
"base": {
"value": "#03070E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F6FD",
"type": "color"
},
"100": {
"value": "#DDE7F9",
"type": "color"
},
"200": {
"value": "#BCCFF1",
"type": "color"
},
"300": {
"value": "#8EACE2",
"type": "color"
},
"400": {
"value": "#638BCF",
"type": "color"
},
"500": {
"value": "#416BB4",
"type": "color"
},
"600": {
"value": "#385689",
"type": "color"
},
"700": {
"value": "#2D4062",
"type": "color"
},
"800": {
"value": "#212C40",
"type": "color"
},
"900": {
"value": "#161C27",
"type": "color"
}
}
}
}