#1B102B is a deep, temperate magenta. On the Color Lab it reads clean and engineered, quietly premium. It is too dark to lead as a primary accent and reproduces cleanly in print.
Not just a swatch — here's how #1B102B works with other colors. Named schemes with #1B102B in its natural role, and a note on why the supporting colors balance it.
Graphite plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Graphite sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
Graphite 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.
Graphite 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 Graphite carrying the quiet middle.
Graphite sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
How #1B102B 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 #1B102B at work across the surfaces designers actually ship.
:root {
--color-base: #1B102B;
--color-base-rgb: 27 16 43;
--color-base-oklch: oklch(20.4% 0.053 300.6);
--color-50: #F7F3FB;
--color-100: #E9E1F5;
--color-200: #D2C4E9;
--color-300: #B29AD5;
--color-400: #9173BF;
--color-500: #7252A3;
--color-600: #5B447E;
--color-700: #44355A;
--color-800: #2E253C;
--color-900: #1D1825;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
graphite: {
50: '#F7F3FB',
100: '#E9E1F5',
200: '#D2C4E9',
300: '#B29AD5',
400: '#9173BF',
500: '#7252A3',
600: '#5B447E',
700: '#44355A',
800: '#2E253C',
900: '#1D1825',
},
}
$base: #1B102B; $base-ink: #FFFFFF; $base-50: #F7F3FB; $base-100: #E9E1F5; $base-200: #D2C4E9; $base-300: #B29AD5; $base-400: #9173BF; $base-500: #7252A3; $base-600: #5B447E; $base-700: #44355A; $base-800: #2E253C; $base-900: #1D1825; $base-hover: #160D24; $base-subtle: #B7A4D3;
{
"color": {
"base": {
"value": "#1B102B",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F7F3FB",
"type": "color"
},
"100": {
"value": "#E9E1F5",
"type": "color"
},
"200": {
"value": "#D2C4E9",
"type": "color"
},
"300": {
"value": "#B29AD5",
"type": "color"
},
"400": {
"value": "#9173BF",
"type": "color"
},
"500": {
"value": "#7252A3",
"type": "color"
},
"600": {
"value": "#5B447E",
"type": "color"
},
"700": {
"value": "#44355A",
"type": "color"
},
"800": {
"value": "#2E253C",
"type": "color"
},
"900": {
"value": "#1D1825",
"type": "color"
}
}
}
}