Poisonous Purple

CSS

:root {
  --poisonous-purple: #2a0134;
  --poisonous-purple-rgb: 42 1 52;
  --poisonous-purple-oklch: oklch(0.21 0.099 318.8);
}

.element {
  color: var(--poisonous-purple);
  background-color: hsl(288 96% 10%);
  border-color: oklch(0.21 0.099 318.8);
}

Tailwind CSS v4

@theme {
  --color-poisonous-purple: #2a0134;
  --color-poisonous-purple-50: #ffedff;
  --color-poisonous-purple-100: #f8defd;
  --color-poisonous-purple-200: #e8c7ee;
  --color-poisonous-purple-300: #cfa7d7;
  --color-poisonous-purple-400: #b88cc4;
  --color-poisonous-purple-500: #a270b0;
  --color-poisonous-purple-600: #895f94;
  --color-poisonous-purple-700: #6e4c77;
  --color-poisonous-purple-800: #503759;
  --color-poisonous-purple-900: #38263e;
  --color-poisonous-purple-950: #221427;
}

SCSS

$poisonous-purple: #2a0134;
$poisonous-purple-rgb: 42, 1, 52;
$poisonous-purple-light: mix(#fff, $poisonous-purple, 20%);
$poisonous-purple-dark: mix(#000, $poisonous-purple, 20%);

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