#321E75 is a deep, cool purple. On the Color Lab it reads clean and engineered, quietly premium. It reproduces cleanly in print.
Not just a swatch — here's how #321E75 works with other colors. Named schemes with #321E75 in its natural role, and a note on why the supporting colors balance it.
Midnight Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.
Midnight Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Midnight Blue.
Midnight Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Midnight 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.
Midnight 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 Midnight Blue carrying the quiet middle.
How #321E75 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 #321E75 at work across the surfaces designers actually ship.
:root {
--color-base: #321E75;
--color-base-rgb: 50 30 117;
--color-base-oklch: oklch(32.2% 0.139 286.1);
--color-50: #F5F2FC;
--color-100: #E4DEF7;
--color-200: #C9BEEE;
--color-300: #A392DE;
--color-400: #7F68CA;
--color-500: #5F46AE;
--color-600: #4D3C86;
--color-700: #3B305F;
--color-800: #29223F;
--color-900: #1A1727;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
midnight-blue: {
50: '#F5F2FC',
100: '#E4DEF7',
200: '#C9BEEE',
300: '#A392DE',
400: '#7F68CA',
500: '#5F46AE',
600: '#4D3C86',
700: '#3B305F',
800: '#29223F',
900: '#1A1727',
},
}
$base: #321E75; $base-ink: #FFFFFF; $base-50: #F5F2FC; $base-100: #E4DEF7; $base-200: #C9BEEE; $base-300: #A392DE; $base-400: #7F68CA; $base-500: #5F46AE; $base-600: #4D3C86; $base-700: #3B305F; $base-800: #29223F; $base-900: #1A1727; $base-hover: #29185E; $base-subtle: #BCB0E1;
{
"color": {
"base": {
"value": "#321E75",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5F2FC",
"type": "color"
},
"100": {
"value": "#E4DEF7",
"type": "color"
},
"200": {
"value": "#C9BEEE",
"type": "color"
},
"300": {
"value": "#A392DE",
"type": "color"
},
"400": {
"value": "#7F68CA",
"type": "color"
},
"500": {
"value": "#5F46AE",
"type": "color"
},
"600": {
"value": "#4D3C86",
"type": "color"
},
"700": {
"value": "#3B305F",
"type": "color"
},
"800": {
"value": "#29223F",
"type": "color"
},
"900": {
"value": "#1A1727",
"type": "color"
}
}
}
}