#2F042F

CSS

:root {
  --dark-purple: #2f042f;
  --dark-purple-rgb: 47 4 47;
  --dark-purple-oklch: oklch(0.22 0.091 328.1);
}

.element {
  color: var(--dark-purple);
  background-color: hsl(300 84% 10%);
  border-color: oklch(0.22 0.091 328.1);
}

Tailwind CSS v4

@theme {
  --color-dark-purple: #2f042f;
  --color-dark-purple-50: #ffecff;
  --color-dark-purple-100: #fadef7;
  --color-dark-purple-200: #ebc7e7;
  --color-dark-purple-300: #d3a7ce;
  --color-dark-purple-400: #bc8bba;
  --color-dark-purple-500: #a770a5;
  --color-dark-purple-600: #8d5f8b;
  --color-dark-purple-700: #714c6f;
  --color-dark-purple-800: #533753;
  --color-dark-purple-900: #3a263a;
  --color-dark-purple-950: #241424;
}

SCSS

$dark-purple: #2f042f;
$dark-purple-rgb: 47, 4, 47;
$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);
}