#480337

CSS

:root {
  --dark-sanctuary: #480337;
  --dark-sanctuary-rgb: 72 3 55;
  --dark-sanctuary-oklch: oklch(0.273 0.113 341.2);
}

.element {
  color: var(--dark-sanctuary);
  background-color: hsl(315 92% 15%);
  border-color: oklch(0.273 0.113 341.2);
}

Tailwind CSS v4

@theme {
  --color-dark-sanctuary: #480337;
  --color-dark-sanctuary-50: #ffe9fe;
  --color-dark-sanctuary-100: #ffdaf2;
  --color-dark-sanctuary-200: #f8c2e1;
  --color-dark-sanctuary-300: #e1a0c7;
  --color-dark-sanctuary-400: #cc83b2;
  --color-dark-sanctuary-500: #b8669c;
  --color-dark-sanctuary-600: #9b5784;
  --color-dark-sanctuary-700: #7d456a;
  --color-dark-sanctuary-800: #5c324f;
  --color-dark-sanctuary-900: #402237;
  --color-dark-sanctuary-950: #291122;
}

SCSS

$dark-sanctuary: #480337;
$dark-sanctuary-rgb: 72, 3, 55;
$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);
}