#2D013A

CSS

:root {
  --dark-purple: #2d013a;
  --dark-purple-rgb: 45 1 58;
  --dark-purple-oklch: oklch(0.221 0.105 316.8);
}

.element {
  color: var(--dark-purple);
  background-color: hsl(286 97% 12%);
  border-color: oklch(0.221 0.105 316.8);
}

Tailwind CSS v4

@theme {
  --color-dark-purple: #2d013a;
  --color-dark-purple-50: #ffecff;
  --color-dark-purple-100: #f8ddff;
  --color-dark-purple-200: #e8c7f1;
  --color-dark-purple-300: #cfa6da;
  --color-dark-purple-400: #b88bc8;
  --color-dark-purple-500: #a26fb4;
  --color-dark-purple-600: #895e98;
  --color-dark-purple-700: #6e4b7a;
  --color-dark-purple-800: #50375b;
  --color-dark-purple-900: #382540;
  --color-dark-purple-950: #221429;
}

SCSS

$dark-purple: #2d013a;
$dark-purple-rgb: 45, 1, 58;
$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);
}