#B138BC is a mid-toned, temperate pink. 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 #B138BC works with other colors. Named schemes with #B138BC in its natural role, and a note on why the supporting colors balance it.
Byzantine sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Byzantine is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Byzantine.
Byzantine 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 Byzantine carrying the quiet middle.
Byzantine glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
Byzantine plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
How #B138BC 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 #B138BC at work across the surfaces designers actually ship.
:root {
--color-base: #B138BC;
--color-base-rgb: 177 56 188;
--color-base-oklch: oklch(56.9% 0.216 324.3);
--color-50: #FBF3FC;
--color-100: #F4DFF6;
--color-200: #E8C0EC;
--color-300: #D595DA;
--color-400: #BE6CC6;
--color-500: #A24BAA;
--color-600: #7D3F83;
--color-700: #5A325D;
--color-800: #3B233D;
--color-900: #251726;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
byzantine: {
50: '#FBF3FC',
100: '#F4DFF6',
200: '#E8C0EC',
300: '#D595DA',
400: '#BE6CC6',
500: '#A24BAA',
600: '#7D3F83',
700: '#5A325D',
800: '#3B233D',
900: '#251726',
},
}
$base: #B138BC; $base-ink: #FFFFFF; $base-50: #FBF3FC; $base-100: #F4DFF6; $base-200: #E8C0EC; $base-300: #D595DA; $base-400: #BE6CC6; $base-500: #A24BAA; $base-600: #7D3F83; $base-700: #5A325D; $base-800: #3B233D; $base-900: #251726; $base-hover: #8E2D97; $base-subtle: #E5C7E8;
{
"color": {
"base": {
"value": "#B138BC",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#FBF3FC",
"type": "color"
},
"100": {
"value": "#F4DFF6",
"type": "color"
},
"200": {
"value": "#E8C0EC",
"type": "color"
},
"300": {
"value": "#D595DA",
"type": "color"
},
"400": {
"value": "#BE6CC6",
"type": "color"
},
"500": {
"value": "#A24BAA",
"type": "color"
},
"600": {
"value": "#7D3F83",
"type": "color"
},
"700": {
"value": "#5A325D",
"type": "color"
},
"800": {
"value": "#3B233D",
"type": "color"
},
"900": {
"value": "#251726",
"type": "color"
}
}
}
}