#4F577C 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 reproduces cleanly in print.
Not just a swatch — here's how #4F577C works with other colors. Named schemes with #4F577C in its natural role, and a note on why the supporting colors balance it.
Ultra Violet opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Ultra Violet keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Ultra Violet is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Ultra Violet.
Ultra Violet plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Ultra Violet 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 Ultra Violet carrying the quiet middle.
How #4F577C 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 #4F577C at work across the surfaces designers actually ship.
:root {
--color-base: #4F577C;
--color-base-rgb: 79 87 124;
--color-base-oklch: oklch(46.6% 0.061 274.4);
--color-50: #F6F6F9;
--color-100: #E6E8EF;
--color-200: #CDD1DF;
--color-300: #A9AFC6;
--color-400: #878DAB;
--color-500: #676E8E;
--color-600: #53586F;
--color-700: #3F4250;
--color-800: #2B2D36;
--color-900: #1C1D22;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
ultra-violet: {
50: '#F6F6F9',
100: '#E6E8EF',
200: '#CDD1DF',
300: '#A9AFC6',
400: '#878DAB',
500: '#676E8E',
600: '#53586F',
700: '#3F4250',
800: '#2B2D36',
900: '#1C1D22',
},
}
$base: #4F577C; $base-ink: #FFFFFF; $base-50: #F6F6F9; $base-100: #E6E8EF; $base-200: #CDD1DF; $base-300: #A9AFC6; $base-400: #878DAB; $base-500: #676E8E; $base-600: #53586F; $base-700: #3F4250; $base-800: #2B2D36; $base-900: #1C1D22; $base-hover: #404664; $base-subtle: #C9CCD9;
{
"color": {
"base": {
"value": "#4F577C",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F6F9",
"type": "color"
},
"100": {
"value": "#E6E8EF",
"type": "color"
},
"200": {
"value": "#CDD1DF",
"type": "color"
},
"300": {
"value": "#A9AFC6",
"type": "color"
},
"400": {
"value": "#878DAB",
"type": "color"
},
"500": {
"value": "#676E8E",
"type": "color"
},
"600": {
"value": "#53586F",
"type": "color"
},
"700": {
"value": "#3F4250",
"type": "color"
},
"800": {
"value": "#2B2D36",
"type": "color"
},
"900": {
"value": "#1C1D22",
"type": "color"
}
}
}
}