#371C6D 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 #371C6D works with other colors. Named schemes with #371C6D 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 sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
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 #371C6D 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 #371C6D at work across the surfaces designers actually ship.
:root {
--color-base: #371C6D;
--color-base-rgb: 55 28 109;
--color-base-oklch: oklch(31.6% 0.131 292.5);
--color-50: #F6F2FC;
--color-100: #E6DEF7;
--color-200: #CEBEEE;
--color-300: #AB92DE;
--color-400: #8968CA;
--color-500: #6946AE;
--color-600: #553C86;
--color-700: #3F305F;
--color-800: #2C223F;
--color-900: #1C1727;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
midnight-blue: {
50: '#F6F2FC',
100: '#E6DEF7',
200: '#CEBEEE',
300: '#AB92DE',
400: '#8968CA',
500: '#6946AE',
600: '#553C86',
700: '#3F305F',
800: '#2C223F',
900: '#1C1727',
},
}
$base: #371C6D; $base-ink: #FFFFFF; $base-50: #F6F2FC; $base-100: #E6DEF7; $base-200: #CEBEEE; $base-300: #AB92DE; $base-400: #8968CA; $base-500: #6946AE; $base-600: #553C86; $base-700: #3F305F; $base-800: #2C223F; $base-900: #1C1727; $base-hover: #2C1758; $base-subtle: #BFAEE0;
{
"color": {
"base": {
"value": "#371C6D",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F2FC",
"type": "color"
},
"100": {
"value": "#E6DEF7",
"type": "color"
},
"200": {
"value": "#CEBEEE",
"type": "color"
},
"300": {
"value": "#AB92DE",
"type": "color"
},
"400": {
"value": "#8968CA",
"type": "color"
},
"500": {
"value": "#6946AE",
"type": "color"
},
"600": {
"value": "#553C86",
"type": "color"
},
"700": {
"value": "#3F305F",
"type": "color"
},
"800": {
"value": "#2C223F",
"type": "color"
},
"900": {
"value": "#1C1727",
"type": "color"
}
}
}
}