#290F71 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 #290F71 works with other colors. Named schemes with #290F71 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 #290F71 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 #290F71 at work across the surfaces designers actually ship.
:root {
--color-base: #290F71;
--color-base-rgb: 41 15 113;
--color-base-oklch: oklch(29.0% 0.151 283.9);
--color-50: #F4F1FE;
--color-100: #E3DAFB;
--color-200: #C8B7F5;
--color-300: #A086E9;
--color-400: #7B59D9;
--color-500: #5B37BE;
--color-600: #4B3191;
--color-700: #392866;
--color-800: #281E43;
--color-900: #1A1429;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
midnight-blue: {
50: '#F4F1FE',
100: '#E3DAFB',
200: '#C8B7F5',
300: '#A086E9',
400: '#7B59D9',
500: '#5B37BE',
600: '#4B3191',
700: '#392866',
800: '#281E43',
900: '#1A1429',
},
}
$base: #290F71; $base-ink: #FFFFFF; $base-50: #F4F1FE; $base-100: #E3DAFB; $base-200: #C8B7F5; $base-300: #A086E9; $base-400: #7B59D9; $base-500: #5B37BE; $base-600: #4B3191; $base-700: #392866; $base-800: #281E43; $base-900: #1A1429; $base-hover: #210C5A; $base-subtle: #B6A4E7;
{
"color": {
"base": {
"value": "#290F71",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4F1FE",
"type": "color"
},
"100": {
"value": "#E3DAFB",
"type": "color"
},
"200": {
"value": "#C8B7F5",
"type": "color"
},
"300": {
"value": "#A086E9",
"type": "color"
},
"400": {
"value": "#7B59D9",
"type": "color"
},
"500": {
"value": "#5B37BE",
"type": "color"
},
"600": {
"value": "#4B3191",
"type": "color"
},
"700": {
"value": "#392866",
"type": "color"
},
"800": {
"value": "#281E43",
"type": "color"
},
"900": {
"value": "#1A1429",
"type": "color"
}
}
}
}