#2C3938 is a mid neutral with only a whisper of temperate cast. On the Color Lab it reads clean and engineered, quietly premium. It is too muted to lead as a primary accent and reproduces cleanly in print.
Not just a swatch — here's how #2C3938 works with other colors. Named schemes with #2C3938 in its natural role, and a note on why the supporting colors balance it.
Onyx is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Onyx.
Onyx plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Onyx 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.
Onyx 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.
Onyx 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 Onyx carrying the quiet middle.
How #2C3938 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 #2C3938 at work across the surfaces designers actually ship.
:root {
--color-base: #2C3938;
--color-base-rgb: 44 57 56;
--color-base-oklch: oklch(33.3% 0.017 190.6);
--color-50: #F6F8F8;
--color-100: #E8EDED;
--color-200: #D1DBDB;
--color-300: #AFC0BF;
--color-400: #8EA4A2;
--color-500: #6F8684;
--color-600: #596968;
--color-700: #424D4C;
--color-800: #2D3433;
--color-900: #1D2020;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
onyx: {
50: '#F6F8F8',
100: '#E8EDED',
200: '#D1DBDB',
300: '#AFC0BF',
400: '#8EA4A2',
500: '#6F8684',
600: '#596968',
700: '#424D4C',
800: '#2D3433',
900: '#1D2020',
},
}
$base: #2C3938; $base-ink: #FFFFFF; $base-50: #F6F8F8; $base-100: #E8EDED; $base-200: #D1DBDB; $base-300: #AFC0BF; $base-400: #8EA4A2; $base-500: #6F8684; $base-600: #596968; $base-700: #424D4C; $base-800: #2D3433; $base-900: #1D2020; $base-hover: #232E2D; $base-subtle: #BCC8C7;
{
"color": {
"base": {
"value": "#2C3938",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F8F8",
"type": "color"
},
"100": {
"value": "#E8EDED",
"type": "color"
},
"200": {
"value": "#D1DBDB",
"type": "color"
},
"300": {
"value": "#AFC0BF",
"type": "color"
},
"400": {
"value": "#8EA4A2",
"type": "color"
},
"500": {
"value": "#6F8684",
"type": "color"
},
"600": {
"value": "#596968",
"type": "color"
},
"700": {
"value": "#424D4C",
"type": "color"
},
"800": {
"value": "#2D3433",
"type": "color"
},
"900": {
"value": "#1D2020",
"type": "color"
}
}
}
}