#5A129D is a deep, cool purple. On the Color Lab it reads clean and engineered, quietly premium. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #5A129D works with other colors. Named schemes with #5A129D in its natural role, and a note on why the supporting colors balance it.
Rebecca Purple sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Rebecca Purple is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Rebecca Purple.
Rebecca Purple 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 Rebecca Purple carrying the quiet middle.
Rebecca Purple opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Rebecca Purple glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #5A129D 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 #5A129D at work across the surfaces designers actually ship.
:root {
--color-base: #5A129D;
--color-base-rgb: 90 18 157;
--color-base-oklch: oklch(39.5% 0.197 299.9);
--color-50: #F8F1FE;
--color-100: #EBDAFC;
--color-200: #D7B6F6;
--color-300: #B985EB;
--color-400: #9B58DA;
--color-500: #7D35C0;
--color-600: #633092;
--color-700: #482867;
--color-800: #311D43;
--color-900: #1F1429;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
rebecca-purple: {
50: '#F8F1FE',
100: '#EBDAFC',
200: '#D7B6F6',
300: '#B985EB',
400: '#9B58DA',
500: '#7D35C0',
600: '#633092',
700: '#482867',
800: '#311D43',
900: '#1F1429',
},
}
$base: #5A129D; $base-ink: #FFFFFF; $base-50: #F8F1FE; $base-100: #EBDAFC; $base-200: #D7B6F6; $base-300: #B985EB; $base-400: #9B58DA; $base-500: #7D35C0; $base-600: #633092; $base-700: #482867; $base-800: #311D43; $base-900: #1F1429; $base-hover: #470F7C; $base-subtle: #CEAEEB;
{
"color": {
"base": {
"value": "#5A129D",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F8F1FE",
"type": "color"
},
"100": {
"value": "#EBDAFC",
"type": "color"
},
"200": {
"value": "#D7B6F6",
"type": "color"
},
"300": {
"value": "#B985EB",
"type": "color"
},
"400": {
"value": "#9B58DA",
"type": "color"
},
"500": {
"value": "#7D35C0",
"type": "color"
},
"600": {
"value": "#633092",
"type": "color"
},
"700": {
"value": "#482867",
"type": "color"
},
"800": {
"value": "#311D43",
"type": "color"
},
"900": {
"value": "#1F1429",
"type": "color"
}
}
}
}