#2A3733 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 #2A3733 works with other colors. Named schemes with #2A3733 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 #2A3733 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 #2A3733 at work across the surfaces designers actually ship.
:root {
--color-base: #2A3733;
--color-base-rgb: 42 55 51;
--color-base-oklch: oklch(32.4% 0.019 174.4);
--color-50: #F6F8F8;
--color-100: #E8EDEC;
--color-200: #D1DBD8;
--color-300: #AFC0BB;
--color-400: #8EA49D;
--color-500: #6F867F;
--color-600: #596964;
--color-700: #424D49;
--color-800: #2D3432;
--color-900: #1D201F;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F6F8F8',
100: '#E8EDEC',
200: '#D1DBD8',
300: '#AFC0BB',
400: '#8EA49D',
500: '#6F867F',
600: '#596964',
700: '#424D49',
800: '#2D3432',
900: '#1D201F',
},
}
$base: #2A3733; $base-ink: #FFFFFF; $base-50: #F6F8F8; $base-100: #E8EDEC; $base-200: #D1DBD8; $base-300: #AFC0BB; $base-400: #8EA49D; $base-500: #6F867F; $base-600: #596964; $base-700: #424D49; $base-800: #2D3432; $base-900: #1D201F; $base-hover: #222C29; $base-subtle: #BBC7C3;
{
"color": {
"base": {
"value": "#2A3733",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F8F8",
"type": "color"
},
"100": {
"value": "#E8EDEC",
"type": "color"
},
"200": {
"value": "#D1DBD8",
"type": "color"
},
"300": {
"value": "#AFC0BB",
"type": "color"
},
"400": {
"value": "#8EA49D",
"type": "color"
},
"500": {
"value": "#6F867F",
"type": "color"
},
"600": {
"value": "#596964",
"type": "color"
},
"700": {
"value": "#424D49",
"type": "color"
},
"800": {
"value": "#2D3432",
"type": "color"
},
"900": {
"value": "#1D201F",
"type": "color"
}
}
}
}