#580D06

CSS

:root {
  --sacramental-red: #580d06;
  --sacramental-red-rgb: 88 13 6;
  --sacramental-red-oklch: oklch(0.3 0.108 30.2);
}

.element {
  color: var(--sacramental-red);
  background-color: hsl(5 87% 18%);
  border-color: oklch(0.3 0.108 30.2);
}

Tailwind CSS v4

@theme {
  --color-sacramental-red: #580d06;
  --color-sacramental-red-50: #ffebe2;
  --color-sacramental-red-100: #ffdcd2;
  --color-sacramental-red-200: #ffc4b8;
  --color-sacramental-red-300: #e9a395;
  --color-sacramental-red-400: #d78678;
  --color-sacramental-red-500: #c3685a;
  --color-sacramental-red-600: #a5594d;
  --color-sacramental-red-700: #84473d;
  --color-sacramental-red-800: #63332d;
  --color-sacramental-red-900: #45221e;
  --color-sacramental-red-950: #2d110e;
}

SCSS

$sacramental-red: #580d06;
$sacramental-red-rgb: 88, 13, 6;
$sacramental-red-light: mix(#fff, $sacramental-red, 20%);
$sacramental-red-dark: mix(#000, $sacramental-red, 20%);

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