#5A366B is a mid-toned, temperate magenta. On the Color Lab it reads clean and engineered, with a faded, vintage edge. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #5A366B works with other colors. Named schemes with #5A366B in its natural role, and a note on why the supporting colors balance it.
Byzantium sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Byzantium plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Byzantium anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
Byzantium 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 Byzantium carrying the quiet middle.
Byzantium is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Byzantium.
How #5A366B 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 #5A366B at work across the surfaces designers actually ship.
:root {
--color-base: #5A366B;
--color-base-rgb: 90 54 107;
--color-base-oklch: oklch(40.0% 0.095 314.1);
--color-50: #F8F5FA;
--color-100: #EDE3F2;
--color-200: #DBC9E4;
--color-300: #BFA2CD;
--color-400: #A37EB4;
--color-500: #855D97;
--color-600: #684C75;
--color-700: #4C3A55;
--color-800: #332938;
--color-900: #201A23;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
byzantium: {
50: '#F8F5FA',
100: '#EDE3F2',
200: '#DBC9E4',
300: '#BFA2CD',
400: '#A37EB4',
500: '#855D97',
600: '#684C75',
700: '#4C3A55',
800: '#332938',
900: '#201A23',
},
}
$base: #5A366B; $base-ink: #FFFFFF; $base-50: #F8F5FA; $base-100: #EDE3F2; $base-200: #DBC9E4; $base-300: #BFA2CD; $base-400: #A37EB4; $base-500: #855D97; $base-600: #684C75; $base-700: #4C3A55; $base-800: #332938; $base-900: #201A23; $base-hover: #492C57; $base-subtle: #D0BED8;
{
"color": {
"base": {
"value": "#5A366B",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F8F5FA",
"type": "color"
},
"100": {
"value": "#EDE3F2",
"type": "color"
},
"200": {
"value": "#DBC9E4",
"type": "color"
},
"300": {
"value": "#BFA2CD",
"type": "color"
},
"400": {
"value": "#A37EB4",
"type": "color"
},
"500": {
"value": "#855D97",
"type": "color"
},
"600": {
"value": "#684C75",
"type": "color"
},
"700": {
"value": "#4C3A55",
"type": "color"
},
"800": {
"value": "#332938",
"type": "color"
},
"900": {
"value": "#201A23",
"type": "color"
}
}
}
}