#223045 is a muted, cool 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 #223045 works with other colors. Named schemes with #223045 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 #223045 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 #223045 at work across the surfaces designers actually ship.
:root {
--color-base: #223045;
--color-base-rgb: 34 48 69;
--color-base-oklch: oklch(30.7% 0.043 258.3);
--color-50: #F4F7FA;
--color-100: #E3E9F2;
--color-200: #C8D3E4;
--color-300: #A2B3CE;
--color-400: #7D93B5;
--color-500: #5C7498;
--color-600: #4C5D76;
--color-700: #3A4555;
--color-800: #282F39;
--color-900: #1A1E23;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F4F7FA',
100: '#E3E9F2',
200: '#C8D3E4',
300: '#A2B3CE',
400: '#7D93B5',
500: '#5C7498',
600: '#4C5D76',
700: '#3A4555',
800: '#282F39',
900: '#1A1E23',
},
}
$base: #223045; $base-ink: #FFFFFF; $base-50: #F4F7FA; $base-100: #E3E9F2; $base-200: #C8D3E4; $base-300: #A2B3CE; $base-400: #7D93B5; $base-500: #5C7498; $base-600: #4C5D76; $base-700: #3A4555; $base-800: #282F39; $base-900: #1A1E23; $base-hover: #1B2637; $base-subtle: #B2BFD2;
{
"color": {
"base": {
"value": "#223045",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4F7FA",
"type": "color"
},
"100": {
"value": "#E3E9F2",
"type": "color"
},
"200": {
"value": "#C8D3E4",
"type": "color"
},
"300": {
"value": "#A2B3CE",
"type": "color"
},
"400": {
"value": "#7D93B5",
"type": "color"
},
"500": {
"value": "#5C7498",
"type": "color"
},
"600": {
"value": "#4C5D76",
"type": "color"
},
"700": {
"value": "#3A4555",
"type": "color"
},
"800": {
"value": "#282F39",
"type": "color"
},
"900": {
"value": "#1A1E23",
"type": "color"
}
}
}
}