#2C3531 is a mid 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 muted to lead as a primary accent.
Not just a swatch — here's how #2C3531 works with other colors. Named schemes with #2C3531 in its natural role, and a note on why the supporting colors balance it.
Gunmetal Gray is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Gunmetal Gray.
Gunmetal Gray plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Gunmetal Gray 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.
Gunmetal Gray 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.
Gunmetal Gray 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 Gunmetal Gray carrying the quiet middle.
How #2C3531 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 #2C3531 at work across the surfaces designers actually ship.
:root {
--color-base: #2C3531;
--color-base-rgb: 44 53 49;
--color-base-oklch: oklch(31.9% 0.014 166.8);
--color-50: #F7F8F7;
--color-100: #E9EDEB;
--color-200: #D3DAD7;
--color-300: #B2BDB8;
--color-400: #92A09A;
--color-500: #72827B;
--color-600: #5B6761;
--color-700: #444B48;
--color-800: #2E3331;
--color-900: #1D201F;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F7F8F7',
100: '#E9EDEB',
200: '#D3DAD7',
300: '#B2BDB8',
400: '#92A09A',
500: '#72827B',
600: '#5B6761',
700: '#444B48',
800: '#2E3331',
900: '#1D201F',
},
}
$base: #2C3531; $base-ink: #FFFFFF; $base-50: #F7F8F7; $base-100: #E9EDEB; $base-200: #D3DAD7; $base-300: #B2BDB8; $base-400: #92A09A; $base-500: #72827B; $base-600: #5B6761; $base-700: #444B48; $base-800: #2E3331; $base-900: #1D201F; $base-hover: #232A27; $base-subtle: #BDC5C1;
{
"color": {
"base": {
"value": "#2C3531",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F7F8F7",
"type": "color"
},
"100": {
"value": "#E9EDEB",
"type": "color"
},
"200": {
"value": "#D3DAD7",
"type": "color"
},
"300": {
"value": "#B2BDB8",
"type": "color"
},
"400": {
"value": "#92A09A",
"type": "color"
},
"500": {
"value": "#72827B",
"type": "color"
},
"600": {
"value": "#5B6761",
"type": "color"
},
"700": {
"value": "#444B48",
"type": "color"
},
"800": {
"value": "#2E3331",
"type": "color"
},
"900": {
"value": "#1D201F",
"type": "color"
}
}
}
}