#1E3248 is a muted, 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 #1E3248 works with other colors. Named schemes with #1E3248 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 #1E3248 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 #1E3248 at work across the surfaces designers actually ship.
:root {
--color-base: #1E3248;
--color-base-rgb: 30 50 72;
--color-base-oklch: oklch(31.1% 0.048 251.7);
--color-50: #F4F7FB;
--color-100: #E2EAF3;
--color-200: #C6D6E7;
--color-300: #9DB7D2;
--color-400: #7798BB;
--color-500: #56799E;
--color-600: #47607A;
--color-700: #374758;
--color-800: #27303A;
--color-900: #191E24;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
prussian-blue: {
50: '#F4F7FB',
100: '#E2EAF3',
200: '#C6D6E7',
300: '#9DB7D2',
400: '#7798BB',
500: '#56799E',
600: '#47607A',
700: '#374758',
800: '#27303A',
900: '#191E24',
},
}
$base: #1E3248; $base-ink: #FFFFFF; $base-50: #F4F7FB; $base-100: #E2EAF3; $base-200: #C6D6E7; $base-300: #9DB7D2; $base-400: #7798BB; $base-500: #56799E; $base-600: #47607A; $base-700: #374758; $base-800: #27303A; $base-900: #191E24; $base-hover: #18283A; $base-subtle: #AFC1D5;
{
"color": {
"base": {
"value": "#1E3248",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4F7FB",
"type": "color"
},
"100": {
"value": "#E2EAF3",
"type": "color"
},
"200": {
"value": "#C6D6E7",
"type": "color"
},
"300": {
"value": "#9DB7D2",
"type": "color"
},
"400": {
"value": "#7798BB",
"type": "color"
},
"500": {
"value": "#56799E",
"type": "color"
},
"600": {
"value": "#47607A",
"type": "color"
},
"700": {
"value": "#374758",
"type": "color"
},
"800": {
"value": "#27303A",
"type": "color"
},
"900": {
"value": "#191E24",
"type": "color"
}
}
}
}