#052E57 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 #052E57 works with other colors. Named schemes with #052E57 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 #052E57 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 #052E57 at work across the surfaces designers actually ship.
:root {
--color-base: #052E57;
--color-base-rgb: 5 46 87;
--color-base-oklch: oklch(30.0% 0.086 252.9);
--color-50: #F0F7FE;
--color-100: #D8EBFD;
--color-200: #B2D6FA;
--color-300: #7EB8F1;
--color-400: #4F99E3;
--color-500: #2C7AC9;
--color-600: #2A6198;
--color-700: #23476B;
--color-800: #1B3046;
--color-900: #131F2B;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
prussian-blue: {
50: '#F0F7FE',
100: '#D8EBFD',
200: '#B2D6FA',
300: '#7EB8F1',
400: '#4F99E3',
500: '#2C7AC9',
600: '#2A6198',
700: '#23476B',
800: '#1B3046',
900: '#131F2B',
},
}
$base: #052E57; $base-ink: #FFFFFF; $base-50: #F0F7FE; $base-100: #D8EBFD; $base-200: #B2D6FA; $base-300: #7EB8F1; $base-400: #4F99E3; $base-500: #2C7AC9; $base-600: #2A6198; $base-700: #23476B; $base-800: #1B3046; $base-900: #131F2B; $base-hover: #042545; $base-subtle: #96C0EB;
{
"color": {
"base": {
"value": "#052E57",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D8EBFD",
"type": "color"
},
"200": {
"value": "#B2D6FA",
"type": "color"
},
"300": {
"value": "#7EB8F1",
"type": "color"
},
"400": {
"value": "#4F99E3",
"type": "color"
},
"500": {
"value": "#2C7AC9",
"type": "color"
},
"600": {
"value": "#2A6198",
"type": "color"
},
"700": {
"value": "#23476B",
"type": "color"
},
"800": {
"value": "#1B3046",
"type": "color"
},
"900": {
"value": "#131F2B",
"type": "color"
}
}
}
}