#10287D 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 #10287D works with other colors. Named schemes with #10287D 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 #10287D 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 #10287D at work across the surfaces designers actually ship.
:root {
--color-base: #10287D;
--color-base-rgb: 16 40 125;
--color-base-oklch: oklch(32.4% 0.146 265.8);
--color-50: #F1F4FE;
--color-100: #DAE1FB;
--color-200: #B7C4F5;
--color-300: #869BE9;
--color-400: #5975D9;
--color-500: #3754BE;
--color-600: #314691;
--color-700: #283666;
--color-800: #1E2643;
--color-900: #141929;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
midnight-blue: {
50: '#F1F4FE',
100: '#DAE1FB',
200: '#B7C4F5',
300: '#869BE9',
400: '#5975D9',
500: '#3754BE',
600: '#314691',
700: '#283666',
800: '#1E2643',
900: '#141929',
},
}
$base: #10287D; $base-ink: #FFFFFF; $base-50: #F1F4FE; $base-100: #DAE1FB; $base-200: #B7C4F5; $base-300: #869BE9; $base-400: #5975D9; $base-500: #3754BE; $base-600: #314691; $base-700: #283666; $base-800: #1E2643; $base-900: #141929; $base-hover: #0D2065; $base-subtle: #A8B6E8;
{
"color": {
"base": {
"value": "#10287D",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1F4FE",
"type": "color"
},
"100": {
"value": "#DAE1FB",
"type": "color"
},
"200": {
"value": "#B7C4F5",
"type": "color"
},
"300": {
"value": "#869BE9",
"type": "color"
},
"400": {
"value": "#5975D9",
"type": "color"
},
"500": {
"value": "#3754BE",
"type": "color"
},
"600": {
"value": "#314691",
"type": "color"
},
"700": {
"value": "#283666",
"type": "color"
},
"800": {
"value": "#1E2643",
"type": "color"
},
"900": {
"value": "#141929",
"type": "color"
}
}
}
}