#2F01FC is a deep, cool violet. On the Color Lab it reads clean and engineered, bold and ownable. It sits well as a supporting tone.
Not just a swatch — here's how #2F01FC works with other colors. Named schemes with #2F01FC in its natural role, and a note on why the supporting colors balance it.
Ultramarine is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Ultramarine.
Ultramarine opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Ultramarine sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Ultramarine 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 Ultramarine carrying the quiet middle.
Ultramarine glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #2F01FC 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 #2F01FC at work across the surfaces designers actually ship.
:root {
--color-base: #2F01FC;
--color-base-rgb: 47 1 252;
--color-base-oklch: oklch(46.1% 0.302 269.9);
--color-50: #F3F0FE;
--color-100: #DFD8FD;
--color-200: #BEB1FC;
--color-300: #8F78F7;
--color-400: #6547EB;
--color-500: #4323D2;
--color-600: #3A239F;
--color-700: #2E1F6F;
--color-800: #211948;
--color-900: #16112C;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
ultramarine: {
50: '#F3F0FE',
100: '#DFD8FD',
200: '#BEB1FC',
300: '#8F78F7',
400: '#6547EB',
500: '#4323D2',
600: '#3A239F',
700: '#2E1F6F',
800: '#211948',
900: '#16112C',
},
}
$base: #2F01FC; $base-ink: #FFFFFF; $base-50: #F3F0FE; $base-100: #DFD8FD; $base-200: #BEB1FC; $base-300: #8F78F7; $base-400: #6547EB; $base-500: #4323D2; $base-600: #3A239F; $base-700: #2E1F6F; $base-800: #211948; $base-900: #16112C; $base-hover: #2601CB; $base-subtle: #C7BCF6;
{
"color": {
"base": {
"value": "#2F01FC",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F0FE",
"type": "color"
},
"100": {
"value": "#DFD8FD",
"type": "color"
},
"200": {
"value": "#BEB1FC",
"type": "color"
},
"300": {
"value": "#8F78F7",
"type": "color"
},
"400": {
"value": "#6547EB",
"type": "color"
},
"500": {
"value": "#4323D2",
"type": "color"
},
"600": {
"value": "#3A239F",
"type": "color"
},
"700": {
"value": "#2E1F6F",
"type": "color"
},
"800": {
"value": "#211948",
"type": "color"
},
"900": {
"value": "#16112C",
"type": "color"
}
}
}
}