#073B50 is a deep, cool blue. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #073B50 works with other colors. Named schemes with #073B50 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 #073B50 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 #073B50 at work across the surfaces designers actually ship.
:root {
--color-base: #073B50;
--color-base-rgb: 7 59 80;
--color-base-oklch: oklch(33.1% 0.063 231.3);
--color-50: #F0FAFE;
--color-100: #D8F2FD;
--color-200: #B4E5F8;
--color-300: #81CFEE;
--color-400: #53B7DF;
--color-500: #309AC4;
--color-600: #2D7895;
--color-700: #255669;
--color-800: #1C3945;
--color-900: #13242A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
prussian-blue: {
50: '#F0FAFE',
100: '#D8F2FD',
200: '#B4E5F8',
300: '#81CFEE',
400: '#53B7DF',
500: '#309AC4',
600: '#2D7895',
700: '#255669',
800: '#1C3945',
900: '#13242A',
},
}
$base: #073B50; $base-ink: #FFFFFF; $base-50: #F0FAFE; $base-100: #D8F2FD; $base-200: #B4E5F8; $base-300: #81CFEE; $base-400: #53B7DF; $base-500: #309AC4; $base-600: #2D7895; $base-700: #255669; $base-800: #1C3945; $base-900: #13242A; $base-hover: #062F40; $base-subtle: #97D1E8;
{
"color": {
"base": {
"value": "#073B50",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FAFE",
"type": "color"
},
"100": {
"value": "#D8F2FD",
"type": "color"
},
"200": {
"value": "#B4E5F8",
"type": "color"
},
"300": {
"value": "#81CFEE",
"type": "color"
},
"400": {
"value": "#53B7DF",
"type": "color"
},
"500": {
"value": "#309AC4",
"type": "color"
},
"600": {
"value": "#2D7895",
"type": "color"
},
"700": {
"value": "#255669",
"type": "color"
},
"800": {
"value": "#1C3945",
"type": "color"
},
"900": {
"value": "#13242A",
"type": "color"
}
}
}
}