#2C023B

CSS

:root {
  --dark-purple: #2c023b;
  --dark-purple-rgb: 44 2 59;
  --dark-purple-oklch: oklch(0.222 0.104 314.9);
}

.element {
  color: var(--dark-purple);
  background-color: hsl(284 93% 12%);
  border-color: oklch(0.222 0.104 314.9);
}

Tailwind CSS v4

@theme {
  --color-dark-purple: #2c023b;
  --color-dark-purple-50: #ffedff;
  --color-dark-purple-100: #f6deff;
  --color-dark-purple-200: #e7c7f2;
  --color-dark-purple-300: #cda7db;
  --color-dark-purple-400: #b68cc9;
  --color-dark-purple-500: #a070b6;
  --color-dark-purple-600: #875f99;
  --color-dark-purple-700: #6c4c7b;
  --color-dark-purple-800: #4f375c;
  --color-dark-purple-900: #372640;
  --color-dark-purple-950: #221429;
}

SCSS

$dark-purple: #2c023b;
$dark-purple-rgb: 44, 2, 59;
$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);
}