#3E44BC is a mid-toned, cool violet. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #3E44BC works with other colors. Named schemes with #3E44BC in its natural role, and a note on why the supporting colors balance it.
Cerulean opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cerulean is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cerulean.
Cerulean plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Cerulean sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Cerulean 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 Cerulean carrying the quiet middle.
How #3E44BC 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 #3E44BC at work across the surfaces designers actually ship.
:root {
--color-base: #3E44BC;
--color-base-rgb: 62 68 188;
--color-base-oklch: oklch(45.9% 0.185 274.3);
--color-50: #F3F4FC;
--color-100: #E0E1F5;
--color-200: #C2C4EB;
--color-300: #979BD8;
--color-400: #7074C2;
--color-500: #4E53A6;
--color-600: #424580;
--color-700: #33355C;
--color-800: #24263C;
--color-900: #181925;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
cerulean: {
50: '#F3F4FC',
100: '#E0E1F5',
200: '#C2C4EB',
300: '#979BD8',
400: '#7074C2',
500: '#4E53A6',
600: '#424580',
700: '#33355C',
800: '#24263C',
900: '#181925',
},
}
$base: #3E44BC; $base-ink: #FFFFFF; $base-50: #F3F4FC; $base-100: #E0E1F5; $base-200: #C2C4EB; $base-300: #979BD8; $base-400: #7074C2; $base-500: #4E53A6; $base-600: #424580; $base-700: #33355C; $base-800: #24263C; $base-900: #181925; $base-hover: #323796; $base-subtle: #C9CBE7;
{
"color": {
"base": {
"value": "#3E44BC",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F4FC",
"type": "color"
},
"100": {
"value": "#E0E1F5",
"type": "color"
},
"200": {
"value": "#C2C4EB",
"type": "color"
},
"300": {
"value": "#979BD8",
"type": "color"
},
"400": {
"value": "#7074C2",
"type": "color"
},
"500": {
"value": "#4E53A6",
"type": "color"
},
"600": {
"value": "#424580",
"type": "color"
},
"700": {
"value": "#33355C",
"type": "color"
},
"800": {
"value": "#24263C",
"type": "color"
},
"900": {
"value": "#181925",
"type": "color"
}
}
}
}