#2F50CF 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 #2F50CF works with other colors. Named schemes with #2F50CF 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 #2F50CF 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 #2F50CF at work across the surfaces designers actually ship.
:root {
--color-base: #2F50CF;
--color-base-rgb: 47 80 207;
--color-base-oklch: oklch(49.0% 0.199 267.2);
--color-50: #F2F4FD;
--color-100: #DDE2F8;
--color-200: #BDC7F0;
--color-300: #8F9FE0;
--color-400: #657ACD;
--color-500: #4359B2;
--color-600: #3A4988;
--color-700: #2E3861;
--color-800: #212740;
--color-900: #161927;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
cerulean: {
50: '#F2F4FD',
100: '#DDE2F8',
200: '#BDC7F0',
300: '#8F9FE0',
400: '#657ACD',
500: '#4359B2',
600: '#3A4988',
700: '#2E3861',
800: '#212740',
900: '#161927',
},
}
$base: #2F50CF; $base-ink: #FFFFFF; $base-50: #F2F4FD; $base-100: #DDE2F8; $base-200: #BDC7F0; $base-300: #8F9FE0; $base-400: #657ACD; $base-500: #4359B2; $base-600: #3A4988; $base-700: #2E3861; $base-800: #212740; $base-900: #161927; $base-hover: #263FA6; $base-subtle: #C6CEEB;
{
"color": {
"base": {
"value": "#2F50CF",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F4FD",
"type": "color"
},
"100": {
"value": "#DDE2F8",
"type": "color"
},
"200": {
"value": "#BDC7F0",
"type": "color"
},
"300": {
"value": "#8F9FE0",
"type": "color"
},
"400": {
"value": "#657ACD",
"type": "color"
},
"500": {
"value": "#4359B2",
"type": "color"
},
"600": {
"value": "#3A4988",
"type": "color"
},
"700": {
"value": "#2E3861",
"type": "color"
},
"800": {
"value": "#212740",
"type": "color"
},
"900": {
"value": "#161927",
"type": "color"
}
}
}
}