#182937 is a muted, cool blue. On the Color Lab it reads clean and engineered, quietly premium. It is too dark to lead as a primary accent and reproduces cleanly in print.
Not just a swatch — here's how #182937 works with other colors. Named schemes with #182937 in its natural role, and a note on why the supporting colors balance it.
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 keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
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 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 #182937 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 #182937 at work across the surfaces designers actually ship.
:root {
--color-base: #182937;
--color-base-rgb: 24 41 55;
--color-base-oklch: oklch(27.3% 0.035 244.4);
--color-50: #F4F8FB;
--color-100: #E2EBF3;
--color-200: #C6D8E6;
--color-300: #9EBAD1;
--color-400: #799CB9;
--color-500: #587E9D;
--color-600: #496379;
--color-700: #384957;
--color-800: #27313A;
--color-900: #191F24;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F4F8FB',
100: '#E2EBF3',
200: '#C6D8E6',
300: '#9EBAD1',
400: '#799CB9',
500: '#587E9D',
600: '#496379',
700: '#384957',
800: '#27313A',
900: '#191F24',
},
}
$base: #182937; $base-ink: #FFFFFF; $base-50: #F4F8FB; $base-100: #E2EBF3; $base-200: #C6D8E6; $base-300: #9EBAD1; $base-400: #799CB9; $base-500: #587E9D; $base-600: #496379; $base-700: #384957; $base-800: #27313A; $base-900: #191F24; $base-hover: #13202B; $base-subtle: #ABC0D1;
{
"color": {
"base": {
"value": "#182937",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4F8FB",
"type": "color"
},
"100": {
"value": "#E2EBF3",
"type": "color"
},
"200": {
"value": "#C6D8E6",
"type": "color"
},
"300": {
"value": "#9EBAD1",
"type": "color"
},
"400": {
"value": "#799CB9",
"type": "color"
},
"500": {
"value": "#587E9D",
"type": "color"
},
"600": {
"value": "#496379",
"type": "color"
},
"700": {
"value": "#384957",
"type": "color"
},
"800": {
"value": "#27313A",
"type": "color"
},
"900": {
"value": "#191F24",
"type": "color"
}
}
}
}