#1D287C 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 #1D287C works with other colors. Named schemes with #1D287C 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 #1D287C 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 #1D287C at work across the surfaces designers actually ship.
:root {
--color-base: #1D287C;
--color-base-rgb: 29 40 124;
--color-base-oklch: oklch(32.9% 0.141 270.5);
--color-50: #F2F3FD;
--color-100: #DDE0F8;
--color-200: #BDC3EF;
--color-300: #9099E0;
--color-400: #6672CC;
--color-500: #4451B1;
--color-600: #3A4387;
--color-700: #2E3460;
--color-800: #22253F;
--color-900: #161827;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
midnight-blue: {
50: '#F2F3FD',
100: '#DDE0F8',
200: '#BDC3EF',
300: '#9099E0',
400: '#6672CC',
500: '#4451B1',
600: '#3A4387',
700: '#2E3460',
800: '#22253F',
900: '#161827',
},
}
$base: #1D287C; $base-ink: #FFFFFF; $base-50: #F2F3FD; $base-100: #DDE0F8; $base-200: #BDC3EF; $base-300: #9099E0; $base-400: #6672CC; $base-500: #4451B1; $base-600: #3A4387; $base-700: #2E3460; $base-800: #22253F; $base-900: #161827; $base-hover: #172063; $base-subtle: #B0B6E3;
{
"color": {
"base": {
"value": "#1D287C",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F3FD",
"type": "color"
},
"100": {
"value": "#DDE0F8",
"type": "color"
},
"200": {
"value": "#BDC3EF",
"type": "color"
},
"300": {
"value": "#9099E0",
"type": "color"
},
"400": {
"value": "#6672CC",
"type": "color"
},
"500": {
"value": "#4451B1",
"type": "color"
},
"600": {
"value": "#3A4387",
"type": "color"
},
"700": {
"value": "#2E3460",
"type": "color"
},
"800": {
"value": "#22253F",
"type": "color"
},
"900": {
"value": "#161827",
"type": "color"
}
}
}
}