#451997 is a deep, cool purple. 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 #451997 works with other colors. Named schemes with #451997 in its natural role, and a note on why the supporting colors balance it.
Indigo 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.
Indigo 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 Indigo.
Indigo opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Indigo plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Indigo 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 Indigo carrying the quiet middle.
How #451997 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 #451997 at work across the surfaces designers actually ship.
:root {
--color-base: #451997;
--color-base-rgb: 69 25 151;
--color-base-oklch: oklch(37.0% 0.184 289.9);
--color-50: #F6F1FD;
--color-100: #E6DBFA;
--color-200: #CDB9F3;
--color-300: #AA89E6;
--color-400: #875DD5;
--color-500: #673BBA;
--color-600: #53348E;
--color-700: #3F2A64;
--color-800: #2B1F42;
--color-900: #1C1528;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
indigo: {
50: '#F6F1FD',
100: '#E6DBFA',
200: '#CDB9F3',
300: '#AA89E6',
400: '#875DD5',
500: '#673BBA',
600: '#53348E',
700: '#3F2A64',
800: '#2B1F42',
900: '#1C1528',
},
}
$base: #451997; $base-ink: #FFFFFF; $base-50: #F6F1FD; $base-100: #E6DBFA; $base-200: #CDB9F3; $base-300: #AA89E6; $base-400: #875DD5; $base-500: #673BBA; $base-600: #53348E; $base-700: #3F2A64; $base-800: #2B1F42; $base-900: #1C1528; $base-hover: #38147B; $base-subtle: #C5B2E8;
{
"color": {
"base": {
"value": "#451997",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F1FD",
"type": "color"
},
"100": {
"value": "#E6DBFA",
"type": "color"
},
"200": {
"value": "#CDB9F3",
"type": "color"
},
"300": {
"value": "#AA89E6",
"type": "color"
},
"400": {
"value": "#875DD5",
"type": "color"
},
"500": {
"value": "#673BBA",
"type": "color"
},
"600": {
"value": "#53348E",
"type": "color"
},
"700": {
"value": "#3F2A64",
"type": "color"
},
"800": {
"value": "#2B1F42",
"type": "color"
},
"900": {
"value": "#1C1528",
"type": "color"
}
}
}
}