#232F3E is a muted, temperate indigo. 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 #232F3E works with other colors. Named schemes with #232F3E 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 #232F3E 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 #232F3E at work across the surfaces designers actually ship.
:root {
--color-base: #232F3E;
--color-base-rgb: 35 47 62;
--color-base-oklch: oklch(30.1% 0.032 254.3);
--color-50: #F5F7FA;
--color-100: #E5EAF1;
--color-200: #CBD5E2;
--color-300: #A6B6CA;
--color-400: #8297B0;
--color-500: #627893;
--color-600: #4F5F72;
--color-700: #3C4653;
--color-800: #2A3037;
--color-900: #1B1E22;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F5F7FA',
100: '#E5EAF1',
200: '#CBD5E2',
300: '#A6B6CA',
400: '#8297B0',
500: '#627893',
600: '#4F5F72',
700: '#3C4653',
800: '#2A3037',
900: '#1B1E22',
},
}
$base: #232F3E; $base-ink: #FFFFFF; $base-50: #F5F7FA; $base-100: #E5EAF1; $base-200: #CBD5E2; $base-300: #A6B6CA; $base-400: #8297B0; $base-500: #627893; $base-600: #4F5F72; $base-700: #3C4653; $base-800: #2A3037; $base-900: #1B1E22; $base-hover: #1C2632; $base-subtle: #B4C0CE;
{
"color": {
"base": {
"value": "#232F3E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F7FA",
"type": "color"
},
"100": {
"value": "#E5EAF1",
"type": "color"
},
"200": {
"value": "#CBD5E2",
"type": "color"
},
"300": {
"value": "#A6B6CA",
"type": "color"
},
"400": {
"value": "#8297B0",
"type": "color"
},
"500": {
"value": "#627893",
"type": "color"
},
"600": {
"value": "#4F5F72",
"type": "color"
},
"700": {
"value": "#3C4653",
"type": "color"
},
"800": {
"value": "#2A3037",
"type": "color"
},
"900": {
"value": "#1B1E22",
"type": "color"
}
}
}
}