#4C1339

CSS

:root {
  --dark-sanctuary: #4c1339;
  --dark-sanctuary-rgb: 76 19 57;
  --dark-sanctuary-oklch: oklch(0.297 0.097 343.8);
}

.element {
  color: var(--dark-sanctuary);
  background-color: hsl(320 60% 19%);
  border-color: oklch(0.297 0.097 343.8);
}

Tailwind CSS v4

@theme {
  --color-dark-sanctuary: #4c1339;
  --color-dark-sanctuary-50: #ffebfb;
  --color-dark-sanctuary-100: #ffdbef;
  --color-dark-sanctuary-200: #f4c4dd;
  --color-dark-sanctuary-300: #dda4c2;
  --color-dark-sanctuary-400: #c787ad;
  --color-dark-sanctuary-500: #b36b96;
  --color-dark-sanctuary-600: #975b7f;
  --color-dark-sanctuary-700: #794866;
  --color-dark-sanctuary-800: #59344c;
  --color-dark-sanctuary-900: #3e2435;
  --color-dark-sanctuary-950: #271220;
}

SCSS

$dark-sanctuary: #4c1339;
$dark-sanctuary-rgb: 76, 19, 57;
$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);
}