#320DBA is a deep, cool violet. On the Color Lab it reads clean and engineered, quietly premium. It sits well as a supporting tone.
Not just a swatch — here's how #320DBA works with other colors. Named schemes with #320DBA in its natural role, and a note on why the supporting colors balance it.
Klein Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Klein Blue.
Klein Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Klein 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 Klein Blue carrying the quiet middle.
Klein Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Klein Blue glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #320DBA 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 #320DBA at work across the surfaces designers actually ship.
:root {
--color-base: #320DBA;
--color-base-rgb: 50 13 186;
--color-base-oklch: oklch(38.4% 0.231 275.8);
--color-50: #F3F0FE;
--color-100: #E0D8FD;
--color-200: #C2B3FA;
--color-300: #987FF0;
--color-400: #7051E1;
--color-500: #4F2EC7;
--color-600: #422B97;
--color-700: #33246B;
--color-800: #251C45;
--color-900: #18132A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
klein-blue: {
50: '#F3F0FE',
100: '#E0D8FD',
200: '#C2B3FA',
300: '#987FF0',
400: '#7051E1',
500: '#4F2EC7',
600: '#422B97',
700: '#33246B',
800: '#251C45',
900: '#18132A',
},
}
$base: #320DBA; $base-ink: #FFFFFF; $base-50: #F3F0FE; $base-100: #E0D8FD; $base-200: #C2B3FA; $base-300: #987FF0; $base-400: #7051E1; $base-500: #4F2EC7; $base-600: #422B97; $base-700: #33246B; $base-800: #251C45; $base-900: #18132A; $base-hover: #280A95; $base-subtle: #BFB1EF;
{
"color": {
"base": {
"value": "#320DBA",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F0FE",
"type": "color"
},
"100": {
"value": "#E0D8FD",
"type": "color"
},
"200": {
"value": "#C2B3FA",
"type": "color"
},
"300": {
"value": "#987FF0",
"type": "color"
},
"400": {
"value": "#7051E1",
"type": "color"
},
"500": {
"value": "#4F2EC7",
"type": "color"
},
"600": {
"value": "#422B97",
"type": "color"
},
"700": {
"value": "#33246B",
"type": "color"
},
"800": {
"value": "#251C45",
"type": "color"
},
"900": {
"value": "#18132A",
"type": "color"
}
}
}
}