#063441 is a deep, cool blue. 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 #063441 works with other colors. Named schemes with #063441 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 #063441 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 #063441 at work across the surfaces designers actually ship.
:root {
--color-base: #063441;
--color-base-rgb: 6 52 65;
--color-base-oklch: oklch(30.2% 0.052 222.0);
--color-50: #F0FBFE;
--color-100: #D9F5FD;
--color-200: #B4E9F8;
--color-300: #82D6ED;
--color-400: #54C0DE;
--color-500: #31A4C3;
--color-600: #2D7E95;
--color-700: #265A69;
--color-800: #1C3C44;
--color-900: #13252A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
prussian-blue: {
50: '#F0FBFE',
100: '#D9F5FD',
200: '#B4E9F8',
300: '#82D6ED',
400: '#54C0DE',
500: '#31A4C3',
600: '#2D7E95',
700: '#265A69',
800: '#1C3C44',
900: '#13252A',
},
}
$base: #063441; $base-ink: #FFFFFF; $base-50: #F0FBFE; $base-100: #D9F5FD; $base-200: #B4E9F8; $base-300: #82D6ED; $base-400: #54C0DE; $base-500: #31A4C3; $base-600: #2D7E95; $base-700: #265A69; $base-800: #1C3C44; $base-900: #13252A; $base-hover: #052A34; $base-subtle: #94D5E7;
{
"color": {
"base": {
"value": "#063441",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FBFE",
"type": "color"
},
"100": {
"value": "#D9F5FD",
"type": "color"
},
"200": {
"value": "#B4E9F8",
"type": "color"
},
"300": {
"value": "#82D6ED",
"type": "color"
},
"400": {
"value": "#54C0DE",
"type": "color"
},
"500": {
"value": "#31A4C3",
"type": "color"
},
"600": {
"value": "#2D7E95",
"type": "color"
},
"700": {
"value": "#265A69",
"type": "color"
},
"800": {
"value": "#1C3C44",
"type": "color"
},
"900": {
"value": "#13252A",
"type": "color"
}
}
}
}