#504271 is a mid-toned, temperate 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 #504271 works with other colors. Named schemes with #504271 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 keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal 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 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 #504271 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 #504271 at work across the surfaces designers actually ship.
:root {
--color-base: #504271;
--color-base-rgb: 80 66 113;
--color-base-oklch: oklch(41.5% 0.078 296.6);
--color-50: #F6F5FA;
--color-100: #E8E5F0;
--color-200: #D2CCE1;
--color-300: #B1A7C8;
--color-400: #9083AF;
--color-500: #716491;
--color-600: #5A5171;
--color-700: #433D52;
--color-800: #2E2A37;
--color-900: #1D1B22;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-slate-blue: {
50: '#F6F5FA',
100: '#E8E5F0',
200: '#D2CCE1',
300: '#B1A7C8',
400: '#9083AF',
500: '#716491',
600: '#5A5171',
700: '#433D52',
800: '#2E2A37',
900: '#1D1B22',
},
}
$base: #504271; $base-ink: #FFFFFF; $base-50: #F6F5FA; $base-100: #E8E5F0; $base-200: #D2CCE1; $base-300: #B1A7C8; $base-400: #9083AF; $base-500: #716491; $base-600: #5A5171; $base-700: #433D52; $base-800: #2E2A37; $base-900: #1D1B22; $base-hover: #40355A; $base-subtle: #C9C3D7;
{
"color": {
"base": {
"value": "#504271",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F5FA",
"type": "color"
},
"100": {
"value": "#E8E5F0",
"type": "color"
},
"200": {
"value": "#D2CCE1",
"type": "color"
},
"300": {
"value": "#B1A7C8",
"type": "color"
},
"400": {
"value": "#9083AF",
"type": "color"
},
"500": {
"value": "#716491",
"type": "color"
},
"600": {
"value": "#5A5171",
"type": "color"
},
"700": {
"value": "#433D52",
"type": "color"
},
"800": {
"value": "#2E2A37",
"type": "color"
},
"900": {
"value": "#1D1B22",
"type": "color"
}
}
}
}