#221D7C 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 #221D7C works with other colors. Named schemes with #221D7C 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 #221D7C 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 #221D7C at work across the surfaces designers actually ship.
:root {
--color-base: #221D7C;
--color-base-rgb: 34 29 124;
--color-base-oklch: oklch(31.4% 0.153 275.3);
--color-50: #F3F2FD;
--color-100: #DFDDF8;
--color-200: #C0BDEF;
--color-300: #9490E0;
--color-400: #6B66CC;
--color-500: #4944B1;
--color-600: #3E3A87;
--color-700: #312E60;
--color-800: #23223F;
--color-900: #171627;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
midnight-blue: {
50: '#F3F2FD',
100: '#DFDDF8',
200: '#C0BDEF',
300: '#9490E0',
400: '#6B66CC',
500: '#4944B1',
600: '#3E3A87',
700: '#312E60',
800: '#23223F',
900: '#171627',
},
}
$base: #221D7C; $base-ink: #FFFFFF; $base-50: #F3F2FD; $base-100: #DFDDF8; $base-200: #C0BDEF; $base-300: #9490E0; $base-400: #6B66CC; $base-500: #4944B1; $base-600: #3E3A87; $base-700: #312E60; $base-800: #23223F; $base-900: #171627; $base-hover: #1B1763; $base-subtle: #B3B0E3;
{
"color": {
"base": {
"value": "#221D7C",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3F2FD",
"type": "color"
},
"100": {
"value": "#DFDDF8",
"type": "color"
},
"200": {
"value": "#C0BDEF",
"type": "color"
},
"300": {
"value": "#9490E0",
"type": "color"
},
"400": {
"value": "#6B66CC",
"type": "color"
},
"500": {
"value": "#4944B1",
"type": "color"
},
"600": {
"value": "#3E3A87",
"type": "color"
},
"700": {
"value": "#312E60",
"type": "color"
},
"800": {
"value": "#23223F",
"type": "color"
},
"900": {
"value": "#171627",
"type": "color"
}
}
}
}