#673BBA is a mid-toned, cool purple. On the Color Lab it reads clean and engineered, bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #673BBA works with other colors. Named schemes with #673BBA in its natural role, and a note on why the supporting colors balance it.
Grape sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Grape is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Grape.
Grape 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 Grape carrying the quiet middle.
Grape opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Grape glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
How #673BBA 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 #673BBA at work across the surfaces designers actually ship.
:root {
--color-base: #673BBA;
--color-base-rgb: 103 59 186;
--color-base-oklch: oklch(47.8% 0.188 294.0);
--color-50: #F6F3FC;
--color-100: #E7DFF6;
--color-200: #D0C1EB;
--color-300: #AE96D9;
--color-400: #8C6EC4;
--color-500: #6D4DA8;
--color-600: #574181;
--color-700: #41325C;
--color-800: #2D243D;
--color-900: #1C1826;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
grape: {
50: '#F6F3FC',
100: '#E7DFF6',
200: '#D0C1EB',
300: '#AE96D9',
400: '#8C6EC4',
500: '#6D4DA8',
600: '#574181',
700: '#41325C',
800: '#2D243D',
900: '#1C1826',
},
}
$base: #673BBA; $base-ink: #FFFFFF; $base-50: #F6F3FC; $base-100: #E7DFF6; $base-200: #D0C1EB; $base-300: #AE96D9; $base-400: #8C6EC4; $base-500: #6D4DA8; $base-600: #574181; $base-700: #41325C; $base-800: #2D243D; $base-900: #1C1826; $base-hover: #532F95; $base-subtle: #D3C7E7;
{
"color": {
"base": {
"value": "#673BBA",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6F3FC",
"type": "color"
},
"100": {
"value": "#E7DFF6",
"type": "color"
},
"200": {
"value": "#D0C1EB",
"type": "color"
},
"300": {
"value": "#AE96D9",
"type": "color"
},
"400": {
"value": "#8C6EC4",
"type": "color"
},
"500": {
"value": "#6D4DA8",
"type": "color"
},
"600": {
"value": "#574181",
"type": "color"
},
"700": {
"value": "#41325C",
"type": "color"
},
"800": {
"value": "#2D243D",
"type": "color"
},
"900": {
"value": "#1C1826",
"type": "color"
}
}
}
}