#3A2FCA 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 #3A2FCA works with other colors. Named schemes with #3A2FCA 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 opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
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 glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #3A2FCA 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 #3A2FCA at work across the surfaces designers actually ship.
:root {
--color-base: #3A2FCA;
--color-base-rgb: 58 47 202;
--color-base-oklch: oklch(43.9% 0.225 275.0);
--color-50: #F3F2FD;
--color-100: #DFDDF8;
--color-200: #C0BDEF;
--color-300: #9590E0;
--color-400: #6D66CC;
--color-500: #4B44B1;
--color-600: #3F3A87;
--color-700: #322E60;
--color-800: #24223F;
--color-900: #171627;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
cerulean: {
50: '#F3F2FD',
100: '#DFDDF8',
200: '#C0BDEF',
300: '#9590E0',
400: '#6D66CC',
500: '#4B44B1',
600: '#3F3A87',
700: '#322E60',
800: '#24223F',
900: '#171627',
},
}
$base: #3A2FCA; $base-ink: #FFFFFF; $base-50: #F3F2FD; $base-100: #DFDDF8; $base-200: #C0BDEF; $base-300: #9590E0; $base-400: #6D66CC; $base-500: #4B44B1; $base-600: #3F3A87; $base-700: #322E60; $base-800: #24223F; $base-900: #171627; $base-hover: #2E26A2; $base-subtle: #C8C6EA;
{
"color": {
"base": {
"value": "#3A2FCA",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F2FD",
"type": "color"
},
"100": {
"value": "#DFDDF8",
"type": "color"
},
"200": {
"value": "#C0BDEF",
"type": "color"
},
"300": {
"value": "#9590E0",
"type": "color"
},
"400": {
"value": "#6D66CC",
"type": "color"
},
"500": {
"value": "#4B44B1",
"type": "color"
},
"600": {
"value": "#3F3A87",
"type": "color"
},
"700": {
"value": "#322E60",
"type": "color"
},
"800": {
"value": "#24223F",
"type": "color"
},
"900": {
"value": "#171627",
"type": "color"
}
}
}
}