#1F2D3C is a muted, temperate indigo. 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 #1F2D3C works with other colors. Named schemes with #1F2D3C 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 #1F2D3C 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 #1F2D3C at work across the surfaces designers actually ship.
:root {
--color-base: #1F2D3C;
--color-base-rgb: 31 45 60;
--color-base-oklch: oklch(29.2% 0.033 250.7);
--color-50: #F5F7FA;
--color-100: #E4EAF2;
--color-200: #C9D6E3;
--color-300: #A3B7CC;
--color-400: #7F98B3;
--color-500: #5E7997;
--color-600: #4D6075;
--color-700: #3A4754;
--color-800: #293038;
--color-900: #1A1E23;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F5F7FA',
100: '#E4EAF2',
200: '#C9D6E3',
300: '#A3B7CC',
400: '#7F98B3',
500: '#5E7997',
600: '#4D6075',
700: '#3A4754',
800: '#293038',
900: '#1A1E23',
},
}
$base: #1F2D3C; $base-ink: #FFFFFF; $base-50: #F5F7FA; $base-100: #E4EAF2; $base-200: #C9D6E3; $base-300: #A3B7CC; $base-400: #7F98B3; $base-500: #5E7997; $base-600: #4D6075; $base-700: #3A4754; $base-800: #293038; $base-900: #1A1E23; $base-hover: #192430; $base-subtle: #B1C0D0;
{
"color": {
"base": {
"value": "#1F2D3C",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F7FA",
"type": "color"
},
"100": {
"value": "#E4EAF2",
"type": "color"
},
"200": {
"value": "#C9D6E3",
"type": "color"
},
"300": {
"value": "#A3B7CC",
"type": "color"
},
"400": {
"value": "#7F98B3",
"type": "color"
},
"500": {
"value": "#5E7997",
"type": "color"
},
"600": {
"value": "#4D6075",
"type": "color"
},
"700": {
"value": "#3A4754",
"type": "color"
},
"800": {
"value": "#293038",
"type": "color"
},
"900": {
"value": "#1A1E23",
"type": "color"
}
}
}
}