#08305D is a deep, cool indigo. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #08305D works with other colors. Named schemes with #08305D in its natural role, and a note on why the supporting colors balance it.
Prussian Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Prussian Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Prussian Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Prussian Blue.
Prussian Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Prussian Blue 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 Prussian Blue carrying the quiet middle.
How #08305D 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 #08305D at work across the surfaces designers actually ship.
:root {
--color-base: #08305D;
--color-base-rgb: 8 48 93;
--color-base-oklch: oklch(31.1% 0.091 254.9);
--color-50: #F0F7FE;
--color-100: #D8E9FD;
--color-200: #B4D4F8;
--color-300: #81B4EE;
--color-400: #5394DF;
--color-500: #3075C4;
--color-600: #2D5D95;
--color-700: #254569;
--color-800: #1C2F45;
--color-900: #131E2A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
prussian-blue: {
50: '#F0F7FE',
100: '#D8E9FD',
200: '#B4D4F8',
300: '#81B4EE',
400: '#5394DF',
500: '#3075C4',
600: '#2D5D95',
700: '#254569',
800: '#1C2F45',
900: '#131E2A',
},
}
$base: #08305D; $base-ink: #FFFFFF; $base-50: #F0F7FE; $base-100: #D8E9FD; $base-200: #B4D4F8; $base-300: #81B4EE; $base-400: #5394DF; $base-500: #3075C4; $base-600: #2D5D95; $base-700: #254569; $base-800: #1C2F45; $base-900: #131E2A; $base-hover: #07274B; $base-subtle: #9BBFE9;
{
"color": {
"base": {
"value": "#08305D",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D8E9FD",
"type": "color"
},
"200": {
"value": "#B4D4F8",
"type": "color"
},
"300": {
"value": "#81B4EE",
"type": "color"
},
"400": {
"value": "#5394DF",
"type": "color"
},
"500": {
"value": "#3075C4",
"type": "color"
},
"600": {
"value": "#2D5D95",
"type": "color"
},
"700": {
"value": "#254569",
"type": "color"
},
"800": {
"value": "#1C2F45",
"type": "color"
},
"900": {
"value": "#131E2A",
"type": "color"
}
}
}
}