#6D4B88

CSS

:root {
  --grapes-of-italy: #6d4b88;
  --grapes-of-italy-rgb: 109 75 136;
  --grapes-of-italy-oklch: oklch(0.476 0.102 308.7);
}

.element {
  color: var(--grapes-of-italy);
  background-color: hsl(273 29% 41%);
  border-color: oklch(0.476 0.102 308.7);
}

Tailwind CSS v4

@theme {
  --color-grapes-of-italy: #6d4b88;
  --color-grapes-of-italy-50: #feeeff;
  --color-grapes-of-italy-100: #f3dfff;
  --color-grapes-of-italy-200: #e2c9f5;
  --color-grapes-of-italy-300: #c8a9df;
  --color-grapes-of-italy-400: #b08ecd;
  --color-grapes-of-italy-500: #9a73ba;
  --color-grapes-of-italy-600: #82619d;
  --color-grapes-of-italy-700: #684e7e;
  --color-grapes-of-italy-800: #4b395e;
  --color-grapes-of-italy-900: #342742;
  --color-grapes-of-italy-950: #20152a;
}

SCSS

$grapes-of-italy: #6d4b88;
$grapes-of-italy-rgb: 109, 75, 136;
$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);
}