#03120F is a muted, temperate cyan. 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 #03120F works with other colors. Named schemes with #03120F in its natural role, and a note on why the supporting colors balance it.
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 carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.
Jet Black adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Jet Black.
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 #03120F 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 #03120F at work across the surfaces designers actually ship.
:root {
--color-base: #03120F;
--color-base-rgb: 3 18 15;
--color-base-oklch: oklch(16.6% 0.024 180.1);
--color-50: #F1FDFB;
--color-100: #DBFAF4;
--color-200: #B9F3E8;
--color-300: #8AE5D3;
--color-400: #5ED4BC;
--color-500: #3CB9A0;
--color-600: #358D7B;
--color-700: #2B6459;
--color-800: #1F423B;
--color-900: #152824;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
jet-black: {
50: '#F1FDFB',
100: '#DBFAF4',
200: '#B9F3E8',
300: '#8AE5D3',
400: '#5ED4BC',
500: '#3CB9A0',
600: '#358D7B',
700: '#2B6459',
800: '#1F423B',
900: '#152824',
},
}
$base: #03120F; $base-ink: #FFFFFF; $base-50: #F1FDFB; $base-100: #DBFAF4; $base-200: #B9F3E8; $base-300: #8AE5D3; $base-400: #5ED4BC; $base-500: #3CB9A0; $base-600: #358D7B; $base-700: #2B6459; $base-800: #1F423B; $base-900: #152824; $base-hover: #020E0C; $base-subtle: #8EDDCD;
{
"color": {
"base": {
"value": "#03120F",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FDFB",
"type": "color"
},
"100": {
"value": "#DBFAF4",
"type": "color"
},
"200": {
"value": "#B9F3E8",
"type": "color"
},
"300": {
"value": "#8AE5D3",
"type": "color"
},
"400": {
"value": "#5ED4BC",
"type": "color"
},
"500": {
"value": "#3CB9A0",
"type": "color"
},
"600": {
"value": "#358D7B",
"type": "color"
},
"700": {
"value": "#2B6459",
"type": "color"
},
"800": {
"value": "#1F423B",
"type": "color"
},
"900": {
"value": "#152824",
"type": "color"
}
}
}
}