#073E4E 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 #073E4E works with other colors. Named schemes with #073E4E 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 #073E4E 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 #073E4E at work across the surfaces designers actually ship.
:root {
--color-base: #073E4E;
--color-base-rgb: 7 62 78;
--color-base-oklch: oklch(33.9% 0.059 223.2);
--color-50: #F0FBFE;
--color-100: #D8F4FD;
--color-200: #B4E8F8;
--color-300: #81D5EE;
--color-400: #53BEDF;
--color-500: #30A2C4;
--color-600: #2D7D95;
--color-700: #255969;
--color-800: #1C3B45;
--color-900: #13252A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
prussian-blue: {
50: '#F0FBFE',
100: '#D8F4FD',
200: '#B4E8F8',
300: '#81D5EE',
400: '#53BEDF',
500: '#30A2C4',
600: '#2D7D95',
700: '#255969',
800: '#1C3B45',
900: '#13252A',
},
}
$base: #073E4E; $base-ink: #FFFFFF; $base-50: #F0FBFE; $base-100: #D8F4FD; $base-200: #B4E8F8; $base-300: #81D5EE; $base-400: #53BEDF; $base-500: #30A2C4; $base-600: #2D7D95; $base-700: #255969; $base-800: #1C3B45; $base-900: #13252A; $base-hover: #063240; $base-subtle: #97D5E8;
{
"color": {
"base": {
"value": "#073E4E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FBFE",
"type": "color"
},
"100": {
"value": "#D8F4FD",
"type": "color"
},
"200": {
"value": "#B4E8F8",
"type": "color"
},
"300": {
"value": "#81D5EE",
"type": "color"
},
"400": {
"value": "#53BEDF",
"type": "color"
},
"500": {
"value": "#30A2C4",
"type": "color"
},
"600": {
"value": "#2D7D95",
"type": "color"
},
"700": {
"value": "#255969",
"type": "color"
},
"800": {
"value": "#1C3B45",
"type": "color"
},
"900": {
"value": "#13252A",
"type": "color"
}
}
}
}