#2F0233

CSS

:root {
  --dark-purple: #2f0233;
  --dark-purple-rgb: 47 2 51;
  --dark-purple-oklch: oklch(0.22 0.098 324.5);
}

.element {
  color: var(--dark-purple);
  background-color: hsl(295 92% 10%);
  border-color: oklch(0.22 0.098 324.5);
}

Tailwind CSS v4

@theme {
  --color-dark-purple: #2f0233;
  --color-dark-purple-50: #ffecff;
  --color-dark-purple-100: #faddfa;
  --color-dark-purple-200: #ebc6eb;
  --color-dark-purple-300: #d3a6d2;
  --color-dark-purple-400: #bc8abf;
  --color-dark-purple-500: #a66faa;
  --color-dark-purple-600: #8d5e90;
  --color-dark-purple-700: #714b73;
  --color-dark-purple-800: #523656;
  --color-dark-purple-900: #39253c;
  --color-dark-purple-950: #241426;
}

SCSS

$dark-purple: #2f0233;
$dark-purple-rgb: 47, 2, 51;
$dark-purple-light: mix(#fff, $dark-purple, 20%);
$dark-purple-dark: mix(#000, $dark-purple, 20%);

.element {
  color: $dark-purple;
  box-shadow: 0 0 0 2px rgba($dark-purple, 0.35);
}