#5B1B87 is a deep, cool magenta. On the Color Lab it reads clean and engineered, quietly premium. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #5B1B87 works with other colors. Named schemes with #5B1B87 in its natural role, and a note on why the supporting colors balance it.
Indigo sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Indigo opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Indigo plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Indigo 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.
Indigo 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 Indigo carrying the quiet middle.
How #5B1B87 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 #5B1B87 at work across the surfaces designers actually ship.
:root {
--color-base: #5B1B87;
--color-base-rgb: 91 27 135;
--color-base-oklch: oklch(38.4% 0.168 306.8);
--color-50: #F8F2FD;
--color-100: #EDDCF9;
--color-200: #DCBBF1;
--color-300: #C08CE3;
--color-400: #A462D0;
--color-500: #863FB5;
--color-600: #69378B;
--color-700: #4D2C62;
--color-800: #342041;
--color-900: #201628;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
indigo: {
50: '#F8F2FD',
100: '#EDDCF9',
200: '#DCBBF1',
300: '#C08CE3',
400: '#A462D0',
500: '#863FB5',
600: '#69378B',
700: '#4D2C62',
800: '#342041',
900: '#201628',
},
}
$base: #5B1B87; $base-ink: #FFFFFF; $base-50: #F8F2FD; $base-100: #EDDCF9; $base-200: #DCBBF1; $base-300: #C08CE3; $base-400: #A462D0; $base-500: #863FB5; $base-600: #69378B; $base-700: #4D2C62; $base-800: #342041; $base-900: #201628; $base-hover: #4A166D; $base-subtle: #D0B0E5;
{
"color": {
"base": {
"value": "#5B1B87",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F8F2FD",
"type": "color"
},
"100": {
"value": "#EDDCF9",
"type": "color"
},
"200": {
"value": "#DCBBF1",
"type": "color"
},
"300": {
"value": "#C08CE3",
"type": "color"
},
"400": {
"value": "#A462D0",
"type": "color"
},
"500": {
"value": "#863FB5",
"type": "color"
},
"600": {
"value": "#69378B",
"type": "color"
},
"700": {
"value": "#4D2C62",
"type": "color"
},
"800": {
"value": "#342041",
"type": "color"
},
"900": {
"value": "#201628",
"type": "color"
}
}
}
}