#533681 is a mid-toned, cool purple. 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 #533681 works with other colors. Named schemes with #533681 in its natural role, and a note on why the supporting colors balance it.
Dark Slate Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Dark Slate Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Dark Slate Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Dark Slate Blue 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.
Dark Slate Blue 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 Dark Slate Blue carrying the quiet middle.
How #533681 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 #533681 at work across the surfaces designers actually ship.
:root {
--color-base: #533681;
--color-base-rgb: 83 54 129;
--color-base-oklch: oklch(40.6% 0.122 298.7);
--color-50: #F7F4FB;
--color-100: #E9E2F3;
--color-200: #D2C6E7;
--color-300: #B19DD2;
--color-400: #9177BB;
--color-500: #72569E;
--color-600: #5B477A;
--color-700: #443758;
--color-800: #2E273A;
--color-900: #1D1924;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-blue: {
50: '#F7F4FB',
100: '#E9E2F3',
200: '#D2C6E7',
300: '#B19DD2',
400: '#9177BB',
500: '#72569E',
600: '#5B477A',
700: '#443758',
800: '#2E273A',
900: '#1D1924',
},
}
$base: #533681; $base-ink: #FFFFFF; $base-50: #F7F4FB; $base-100: #E9E2F3; $base-200: #D2C6E7; $base-300: #B19DD2; $base-400: #9177BB; $base-500: #72569E; $base-600: #5B477A; $base-700: #443758; $base-800: #2E273A; $base-900: #1D1924; $base-hover: #422B68; $base-subtle: #CABFDD;
{
"color": {
"base": {
"value": "#533681",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F7F4FB",
"type": "color"
},
"100": {
"value": "#E9E2F3",
"type": "color"
},
"200": {
"value": "#D2C6E7",
"type": "color"
},
"300": {
"value": "#B19DD2",
"type": "color"
},
"400": {
"value": "#9177BB",
"type": "color"
},
"500": {
"value": "#72569E",
"type": "color"
},
"600": {
"value": "#5B477A",
"type": "color"
},
"700": {
"value": "#443758",
"type": "color"
},
"800": {
"value": "#2E273A",
"type": "color"
},
"900": {
"value": "#1D1924",
"type": "color"
}
}
}
}