#41022F

CSS

:root {
  --dark-sanctuary: #41022f;
  --dark-sanctuary-rgb: 65 2 47;
  --dark-sanctuary-oklch: oklch(0.253 0.105 343.3);
}

.element {
  color: var(--dark-sanctuary);
  background-color: hsl(317 94% 13%);
  border-color: oklch(0.253 0.105 343.3);
}

Tailwind CSS v4

@theme {
  --color-dark-sanctuary: #41022f;
  --color-dark-sanctuary-50: #ffeafc;
  --color-dark-sanctuary-100: #ffdbf0;
  --color-dark-sanctuary-200: #f6c3de;
  --color-dark-sanctuary-300: #dfa2c3;
  --color-dark-sanctuary-400: #ca85ae;
  --color-dark-sanctuary-500: #b66898;
  --color-dark-sanctuary-600: #9a5981;
  --color-dark-sanctuary-700: #7b4767;
  --color-dark-sanctuary-800: #5b334d;
  --color-dark-sanctuary-900: #3f2335;
  --color-dark-sanctuary-950: #281221;
}

SCSS

$dark-sanctuary: #41022f;
$dark-sanctuary-rgb: 65, 2, 47;
$dark-sanctuary-light: mix(#fff, $dark-sanctuary, 20%);
$dark-sanctuary-dark: mix(#000, $dark-sanctuary, 20%);

.element {
  color: $dark-sanctuary;
  box-shadow: 0 0 0 2px rgba($dark-sanctuary, 0.35);
}