#866FB3 is a mid-toned, cool purple. 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 #866FB3 works with other colors. Named schemes with #866FB3 in its natural role, and a note on why the supporting colors balance it.
Amethyst sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Amethyst opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Amethyst plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Amethyst 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.
Amethyst 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 Amethyst carrying the quiet middle.
How #866FB3 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 #866FB3 at work across the surfaces designers actually ship.
:root {
--color-base: #866FB3;
--color-base-rgb: 134 111 179;
--color-base-oklch: oklch(59.1% 0.104 298.7);
--color-50: #F6F5FA;
--color-100: #E8E4F1;
--color-200: #D2CAE3;
--color-300: #B1A4CC;
--color-400: #907FB3;
--color-500: #715F96;
--color-600: #5A4E74;
--color-700: #433B54;
--color-800: #2E2938;
--color-900: #1D1A23;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
amethyst: {
50: '#F6F5FA',
100: '#E8E4F1',
200: '#D2CAE3',
300: '#B1A4CC',
400: '#907FB3',
500: '#715F96',
600: '#5A4E74',
700: '#433B54',
800: '#2E2938',
900: '#1D1A23',
},
}
$base: #866FB3; $base-ink: #141310; $base-50: #F6F5FA; $base-100: #E8E4F1; $base-200: #D2CAE3; $base-300: #B1A4CC; $base-400: #907FB3; $base-500: #715F96; $base-600: #5A4E74; $base-700: #433B54; $base-800: #2E2938; $base-900: #1D1A23; $base-hover: #685098; $base-subtle: #DCD6E6;
{
"color": {
"base": {
"value": "#866FB3",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F5FA",
"type": "color"
},
"100": {
"value": "#E8E4F1",
"type": "color"
},
"200": {
"value": "#D2CAE3",
"type": "color"
},
"300": {
"value": "#B1A4CC",
"type": "color"
},
"400": {
"value": "#907FB3",
"type": "color"
},
"500": {
"value": "#715F96",
"type": "color"
},
"600": {
"value": "#5A4E74",
"type": "color"
},
"700": {
"value": "#433B54",
"type": "color"
},
"800": {
"value": "#2E2938",
"type": "color"
},
"900": {
"value": "#1D1A23",
"type": "color"
}
}
}
}