#2D023A

CSS

:root {
  --dark-purple: #2d023a;
  --dark-purple-rgb: 45 2 58;
  --dark-purple-oklch: oklch(0.223 0.104 316.6);
}

.element {
  color: var(--dark-purple);
  background-color: hsl(286 93% 12%);
  border-color: oklch(0.223 0.104 316.6);
}

Tailwind CSS v4

@theme {
  --color-dark-purple: #2d023a;
  --color-dark-purple-50: #ffecff;
  --color-dark-purple-100: #f7deff;
  --color-dark-purple-200: #e8c7f1;
  --color-dark-purple-300: #cea7da;
  --color-dark-purple-400: #b78bc7;
  --color-dark-purple-500: #a16fb4;
  --color-dark-purple-600: #885f98;
  --color-dark-purple-700: #6d4c7a;
  --color-dark-purple-800: #50375b;
  --color-dark-purple-900: #372640;
  --color-dark-purple-950: #221429;
}

SCSS

$dark-purple: #2d023a;
$dark-purple-rgb: 45, 2, 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);
}