#313453 is a deep, cool violet. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #313453 works with other colors. Named schemes with #313453 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 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 carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.
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 #313453 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 #313453 at work across the surfaces designers actually ship.
:root {
--color-base: #313453;
--color-base-rgb: 49 52 83;
--color-base-oklch: oklch(33.7% 0.055 278.8);
--color-50: #F5F6FA;
--color-100: #E5E6F0;
--color-200: #CCCDE1;
--color-300: #A7AAC8;
--color-400: #8387AF;
--color-500: #646791;
--color-600: #515371;
--color-700: #3D3F52;
--color-800: #2A2B37;
--color-900: #1B1C22;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
gunmetal-gray: {
50: '#F5F6FA',
100: '#E5E6F0',
200: '#CCCDE1',
300: '#A7AAC8',
400: '#8387AF',
500: '#646791',
600: '#515371',
700: '#3D3F52',
800: '#2A2B37',
900: '#1B1C22',
},
}
$base: #313453; $base-ink: #FFFFFF; $base-50: #F5F6FA; $base-100: #E5E6F0; $base-200: #CCCDE1; $base-300: #A7AAC8; $base-400: #8387AF; $base-500: #646791; $base-600: #515371; $base-700: #3D3F52; $base-800: #2A2B37; $base-900: #1B1C22; $base-hover: #272A43; $base-subtle: #BBBDD2;
{
"color": {
"base": {
"value": "#313453",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F6FA",
"type": "color"
},
"100": {
"value": "#E5E6F0",
"type": "color"
},
"200": {
"value": "#CCCDE1",
"type": "color"
},
"300": {
"value": "#A7AAC8",
"type": "color"
},
"400": {
"value": "#8387AF",
"type": "color"
},
"500": {
"value": "#646791",
"type": "color"
},
"600": {
"value": "#515371",
"type": "color"
},
"700": {
"value": "#3D3F52",
"type": "color"
},
"800": {
"value": "#2A2B37",
"type": "color"
},
"900": {
"value": "#1B1C22",
"type": "color"
}
}
}
}