#837ECA is a mid-toned, cool purple. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #837ECA works with other colors. Named schemes with #837ECA in its natural role, and a note on why the supporting colors balance it.
Medium Purple opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Medium Purple keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Medium 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 Medium Purple carrying the quiet middle.
Medium 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 Medium Purple.
Medium Purple 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.
How #837ECA 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 #837ECA at work across the surfaces designers actually ship.
:root {
--color-base: #837ECA;
--color-base-rgb: 131 126 202;
--color-base-oklch: oklch(62.9% 0.113 285.7);
--color-50: #F4F4FB;
--color-100: #E3E2F4;
--color-200: #C7C5E7;
--color-300: #A09CD3;
--color-400: #7B76BC;
--color-500: #5A559F;
--color-600: #4A477B;
--color-700: #393658;
--color-800: #28263B;
--color-900: #1A1924;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
medium-purple: {
50: '#F4F4FB',
100: '#E3E2F4',
200: '#C7C5E7',
300: '#A09CD3',
400: '#7B76BC',
500: '#5A559F',
600: '#4A477B',
700: '#393658',
800: '#28263B',
900: '#1A1924',
},
}
$base: #837ECA; $base-ink: #141310; $base-50: #F4F4FB; $base-100: #E3E2F4; $base-200: #C7C5E7; $base-300: #A09CD3; $base-400: #7B76BC; $base-500: #5A559F; $base-600: #4A477B; $base-700: #393658; $base-800: #28263B; $base-900: #1A1924; $base-hover: #554EB7; $base-subtle: #DCDBEC;
{
"color": {
"base": {
"value": "#837ECA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4F4FB",
"type": "color"
},
"100": {
"value": "#E3E2F4",
"type": "color"
},
"200": {
"value": "#C7C5E7",
"type": "color"
},
"300": {
"value": "#A09CD3",
"type": "color"
},
"400": {
"value": "#7B76BC",
"type": "color"
},
"500": {
"value": "#5A559F",
"type": "color"
},
"600": {
"value": "#4A477B",
"type": "color"
},
"700": {
"value": "#393658",
"type": "color"
},
"800": {
"value": "#28263B",
"type": "color"
},
"900": {
"value": "#1A1924",
"type": "color"
}
}
}
}