#243231 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 #243231 works with other colors. Named schemes with #243231 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 #243231 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 #243231 at work across the surfaces designers actually ship.
:root {
--color-base: #243231;
--color-base-rgb: 36 50 49;
--color-base-oklch: oklch(30.4% 0.019 190.8);
--color-50: #F6F9F9;
--color-100: #E7EEEE;
--color-200: #D0DDDC;
--color-300: #ADC2C1;
--color-400: #8CA6A4;
--color-500: #6C8887;
--color-600: #576B6A;
--color-700: #414E4D;
--color-800: #2D3434;
--color-900: #1C2120;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F6F9F9',
100: '#E7EEEE',
200: '#D0DDDC',
300: '#ADC2C1',
400: '#8CA6A4',
500: '#6C8887',
600: '#576B6A',
700: '#414E4D',
800: '#2D3434',
900: '#1C2120',
},
}
$base: #243231; $base-ink: #FFFFFF; $base-50: #F6F9F9; $base-100: #E7EEEE; $base-200: #D0DDDC; $base-300: #ADC2C1; $base-400: #8CA6A4; $base-500: #6C8887; $base-600: #576B6A; $base-700: #414E4D; $base-800: #2D3434; $base-900: #1C2120; $base-hover: #1D2827; $base-subtle: #B8C7C6;
{
"color": {
"base": {
"value": "#243231",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F9F9",
"type": "color"
},
"100": {
"value": "#E7EEEE",
"type": "color"
},
"200": {
"value": "#D0DDDC",
"type": "color"
},
"300": {
"value": "#ADC2C1",
"type": "color"
},
"400": {
"value": "#8CA6A4",
"type": "color"
},
"500": {
"value": "#6C8887",
"type": "color"
},
"600": {
"value": "#576B6A",
"type": "color"
},
"700": {
"value": "#414E4D",
"type": "color"
},
"800": {
"value": "#2D3434",
"type": "color"
},
"900": {
"value": "#1C2120",
"type": "color"
}
}
}
}