#2F0235

CSS

:root {
  --dark-purple: #2f0235;
  --dark-purple-rgb: 47 2 53;
  --dark-purple-oklch: oklch(0.222 0.1 322.7);
}

.element {
  color: var(--dark-purple);
  background-color: hsl(293 93% 11%);
  border-color: oklch(0.222 0.1 322.7);
}

Tailwind CSS v4

@theme {
  --color-dark-purple: #2f0235;
  --color-dark-purple-50: #ffecff;
  --color-dark-purple-100: #faddfb;
  --color-dark-purple-200: #ebc6ec;
  --color-dark-purple-300: #d2a6d4;
  --color-dark-purple-400: #bb8ac1;
  --color-dark-purple-500: #a66fad;
  --color-dark-purple-600: #8c5e92;
  --color-dark-purple-700: #704b75;
  --color-dark-purple-800: #523657;
  --color-dark-purple-900: #39253d;
  --color-dark-purple-950: #231427;
}

SCSS

$dark-purple: #2f0235;
$dark-purple-rgb: 47, 2, 53;
$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);
}