#2F303A 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 #2F303A works with other colors. Named schemes with #2F303A 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 #2F303A 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 #2F303A at work across the surfaces designers actually ship.
:root {
--color-base: #2F303A;
--color-base-rgb: 47 48 58;
--color-base-oklch: oklch(31.2% 0.018 280.8);
--color-50: #F7F7F8;
--color-100: #E8E9ED;
--color-200: #D2D3DA;
--color-300: #B1B2BE;
--color-400: #9192A1;
--color-500: #727383;
--color-600: #5B5C67;
--color-700: #43444B;
--color-800: #2E2E33;
--color-900: #1D1D20;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F7F7F8',
100: '#E8E9ED',
200: '#D2D3DA',
300: '#B1B2BE',
400: '#9192A1',
500: '#727383',
600: '#5B5C67',
700: '#43444B',
800: '#2E2E33',
900: '#1D1D20',
},
}
$base: #2F303A; $base-ink: #FFFFFF; $base-50: #F7F7F8; $base-100: #E8E9ED; $base-200: #D2D3DA; $base-300: #B1B2BE; $base-400: #9192A1; $base-500: #727383; $base-600: #5B5C67; $base-700: #43444B; $base-800: #2E2E33; $base-900: #1D1D20; $base-hover: #27272F; $base-subtle: #BEBFC7;
{
"color": {
"base": {
"value": "#2F303A",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F7F7F8",
"type": "color"
},
"100": {
"value": "#E8E9ED",
"type": "color"
},
"200": {
"value": "#D2D3DA",
"type": "color"
},
"300": {
"value": "#B1B2BE",
"type": "color"
},
"400": {
"value": "#9192A1",
"type": "color"
},
"500": {
"value": "#727383",
"type": "color"
},
"600": {
"value": "#5B5C67",
"type": "color"
},
"700": {
"value": "#43444B",
"type": "color"
},
"800": {
"value": "#2E2E33",
"type": "color"
},
"900": {
"value": "#1D1D20",
"type": "color"
}
}
}
}