#6D4281

CSS

:root {
  --grapes-of-italy: #6d4281;
  --grapes-of-italy-rgb: 109 66 129;
  --grapes-of-italy-oklch: oklch(0.456 0.11 314.2);
}

.element {
  color: var(--grapes-of-italy);
  background-color: hsl(281 32% 38%);
  border-color: oklch(0.456 0.11 314.2);
}

Tailwind CSS v4

@theme {
  --color-grapes-of-italy: #6d4281;
  --color-grapes-of-italy-50: #ffecff;
  --color-grapes-of-italy-100: #f7ddff;
  --color-grapes-of-italy-200: #e7c6f4;
  --color-grapes-of-italy-300: #cea6dd;
  --color-grapes-of-italy-400: #b68bcc;
  --color-grapes-of-italy-500: #a16fb9;
  --color-grapes-of-italy-600: #885e9c;
  --color-grapes-of-italy-700: #6d4b7d;
  --color-grapes-of-italy-800: #4f375e;
  --color-grapes-of-italy-900: #372542;
  --color-grapes-of-italy-950: #22142a;
}

SCSS

$grapes-of-italy: #6d4281;
$grapes-of-italy-rgb: 109, 66, 129;
$grapes-of-italy-light: mix(#fff, $grapes-of-italy, 20%);
$grapes-of-italy-dark: mix(#000, $grapes-of-italy, 20%);

.element {
  color: $grapes-of-italy;
  box-shadow: 0 0 0 2px rgba($grapes-of-italy, 0.35);
}