#2D313D is a muted, temperate violet. 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 #2D313D works with other colors. Named schemes with #2D313D 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 opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
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 #2D313D 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 #2D313D at work across the surfaces designers actually ship.
:root {
--color-base: #2D313D;
--color-base-rgb: 45 49 61;
--color-base-oklch: oklch(31.4% 0.022 270.6);
--color-50: #F6F7F9;
--color-100: #E7E9EE;
--color-200: #D0D3DC;
--color-300: #AEB3C1;
--color-400: #8D93A5;
--color-500: #6D7488;
--color-600: #585C6A;
--color-700: #41444D;
--color-800: #2D2F34;
--color-900: #1D1E21;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F6F7F9',
100: '#E7E9EE',
200: '#D0D3DC',
300: '#AEB3C1',
400: '#8D93A5',
500: '#6D7488',
600: '#585C6A',
700: '#41444D',
800: '#2D2F34',
900: '#1D1E21',
},
}
$base: #2D313D; $base-ink: #FFFFFF; $base-50: #F6F7F9; $base-100: #E7E9EE; $base-200: #D0D3DC; $base-300: #AEB3C1; $base-400: #8D93A5; $base-500: #6D7488; $base-600: #585C6A; $base-700: #41444D; $base-800: #2D2F34; $base-900: #1D1E21; $base-hover: #242831; $base-subtle: #BCBFC9;
{
"color": {
"base": {
"value": "#2D313D",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F7F9",
"type": "color"
},
"100": {
"value": "#E7E9EE",
"type": "color"
},
"200": {
"value": "#D0D3DC",
"type": "color"
},
"300": {
"value": "#AEB3C1",
"type": "color"
},
"400": {
"value": "#8D93A5",
"type": "color"
},
"500": {
"value": "#6D7488",
"type": "color"
},
"600": {
"value": "#585C6A",
"type": "color"
},
"700": {
"value": "#41444D",
"type": "color"
},
"800": {
"value": "#2D2F34",
"type": "color"
},
"900": {
"value": "#1D1E21",
"type": "color"
}
}
}
}