#0F323E 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 #0F323E works with other colors. Named schemes with #0F323E 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 #0F323E 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 #0F323E at work across the surfaces designers actually ship.
:root {
--color-base: #0F323E;
--color-base-rgb: 15 50 62;
--color-base-oklch: oklch(29.8% 0.045 224.2);
--color-50: #F2FAFC;
--color-100: #DDF1F8;
--color-200: #BDE3EF;
--color-300: #90CBDF;
--color-400: #67B2CB;
--color-500: #4595B0;
--color-600: #3B7487;
--color-700: #2F5460;
--color-800: #22383F;
--color-900: #162327;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F2FAFC',
100: '#DDF1F8',
200: '#BDE3EF',
300: '#90CBDF',
400: '#67B2CB',
500: '#4595B0',
600: '#3B7487',
700: '#2F5460',
800: '#22383F',
900: '#162327',
},
}
$base: #0F323E; $base-ink: #FFFFFF; $base-50: #F2FAFC; $base-100: #DDF1F8; $base-200: #BDE3EF; $base-300: #90CBDF; $base-400: #67B2CB; $base-500: #4595B0; $base-600: #3B7487; $base-700: #2F5460; $base-800: #22383F; $base-900: #162327; $base-hover: #0C2831; $base-subtle: #A0CDDC;
{
"color": {
"base": {
"value": "#0F323E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FAFC",
"type": "color"
},
"100": {
"value": "#DDF1F8",
"type": "color"
},
"200": {
"value": "#BDE3EF",
"type": "color"
},
"300": {
"value": "#90CBDF",
"type": "color"
},
"400": {
"value": "#67B2CB",
"type": "color"
},
"500": {
"value": "#4595B0",
"type": "color"
},
"600": {
"value": "#3B7487",
"type": "color"
},
"700": {
"value": "#2F5460",
"type": "color"
},
"800": {
"value": "#22383F",
"type": "color"
},
"900": {
"value": "#162327",
"type": "color"
}
}
}
}