#22303F 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 #22303F works with other colors. Named schemes with #22303F 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 #22303F 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 #22303F at work across the surfaces designers actually ship.
:root {
--color-base: #22303F;
--color-base-rgb: 34 48 63;
--color-base-oklch: oklch(30.4% 0.033 250.7);
--color-50: #F5F7FA;
--color-100: #E4EAF1;
--color-200: #CAD6E2;
--color-300: #A4B7CB;
--color-400: #8098B2;
--color-500: #607A95;
--color-600: #4E6074;
--color-700: #3B4754;
--color-800: #293038;
--color-900: #1B1E23;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F5F7FA',
100: '#E4EAF1',
200: '#CAD6E2',
300: '#A4B7CB',
400: '#8098B2',
500: '#607A95',
600: '#4E6074',
700: '#3B4754',
800: '#293038',
900: '#1B1E23',
},
}
$base: #22303F; $base-ink: #FFFFFF; $base-50: #F5F7FA; $base-100: #E4EAF1; $base-200: #CAD6E2; $base-300: #A4B7CB; $base-400: #8098B2; $base-500: #607A95; $base-600: #4E6074; $base-700: #3B4754; $base-800: #293038; $base-900: #1B1E23; $base-hover: #1B2632; $base-subtle: #B3C1CF;
{
"color": {
"base": {
"value": "#22303F",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F7FA",
"type": "color"
},
"100": {
"value": "#E4EAF1",
"type": "color"
},
"200": {
"value": "#CAD6E2",
"type": "color"
},
"300": {
"value": "#A4B7CB",
"type": "color"
},
"400": {
"value": "#8098B2",
"type": "color"
},
"500": {
"value": "#607A95",
"type": "color"
},
"600": {
"value": "#4E6074",
"type": "color"
},
"700": {
"value": "#3B4754",
"type": "color"
},
"800": {
"value": "#293038",
"type": "color"
},
"900": {
"value": "#1B1E23",
"type": "color"
}
}
}
}