#31022F

CSS

:root {
  --dark-purple: #31022f;
  --dark-purple-rgb: 49 2 47;
  --dark-purple-oklch: oklch(0.221 0.096 330.2);
}

.element {
  color: var(--dark-purple);
  background-color: hsl(303 92% 10%);
  border-color: oklch(0.221 0.096 330.2);
}

Tailwind CSS v4

@theme {
  --color-dark-purple: #31022f;
  --color-dark-purple-50: #ffecff;
  --color-dark-purple-100: #fcddf6;
  --color-dark-purple-200: #eec6e7;
  --color-dark-purple-300: #d5a6cd;
  --color-dark-purple-400: #bf8ab9;
  --color-dark-purple-500: #aa6ea4;
  --color-dark-purple-600: #905d8b;
  --color-dark-purple-700: #734b6f;
  --color-dark-purple-800: #543653;
  --color-dark-purple-900: #3b253a;
  --color-dark-purple-950: #251324;
}

SCSS

$dark-purple: #31022f;
$dark-purple-rgb: 49, 2, 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);
}