#3C3ABB is a mid-toned, cool violet. On the Color Lab it reads clean and engineered, bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #3C3ABB works with other colors. Named schemes with #3C3ABB in its natural role, and a note on why the supporting colors balance it.
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 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.
Cerulean opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cerulean glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #3C3ABB 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 #3C3ABB at work across the surfaces designers actually ship.
:root {
--color-base: #3C3ABB;
--color-base-rgb: 60 58 187;
--color-base-oklch: oklch(44.1% 0.196 275.5);
--color-50: #F3F3FC;
--color-100: #E0DFF6;
--color-200: #C1C1EC;
--color-300: #9795DA;
--color-400: #6F6DC5;
--color-500: #4D4CA9;
--color-600: #414082;
--color-700: #33325D;
--color-800: #24243D;
--color-900: #181726;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
cerulean: {
50: '#F3F3FC',
100: '#E0DFF6',
200: '#C1C1EC',
300: '#9795DA',
400: '#6F6DC5',
500: '#4D4CA9',
600: '#414082',
700: '#33325D',
800: '#24243D',
900: '#181726',
},
}
$base: #3C3ABB; $base-ink: #FFFFFF; $base-50: #F3F3FC; $base-100: #E0DFF6; $base-200: #C1C1EC; $base-300: #9795DA; $base-400: #6F6DC5; $base-500: #4D4CA9; $base-600: #414082; $base-700: #33325D; $base-800: #24243D; $base-900: #181726; $base-hover: #302E96; $base-subtle: #C8C7E7;
{
"color": {
"base": {
"value": "#3C3ABB",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F3FC",
"type": "color"
},
"100": {
"value": "#E0DFF6",
"type": "color"
},
"200": {
"value": "#C1C1EC",
"type": "color"
},
"300": {
"value": "#9795DA",
"type": "color"
},
"400": {
"value": "#6F6DC5",
"type": "color"
},
"500": {
"value": "#4D4CA9",
"type": "color"
},
"600": {
"value": "#414082",
"type": "color"
},
"700": {
"value": "#33325D",
"type": "color"
},
"800": {
"value": "#24243D",
"type": "color"
},
"900": {
"value": "#181726",
"type": "color"
}
}
}
}