#7B3732

CSS

:root {
  --dockside-red: #7b3732;
  --dockside-red-rgb: 123 55 50;
  --dockside-red-oklch: oklch(0.427 0.096 26.2);
}

.element {
  color: var(--dockside-red);
  background-color: hsl(4 42% 34%);
  border-color: oklch(0.427 0.096 26.2);
}

Tailwind CSS v4

@theme {
  --color-dockside-red: #7b3732;
  --color-dockside-red-50: #ffece6;
  --color-dockside-red-100: #ffddd6;
  --color-dockside-red-200: #fbc5be;
  --color-dockside-red-300: #e4a59c;
  --color-dockside-red-400: #d18880;
  --color-dockside-red-500: #bd6c64;
  --color-dockside-red-600: #a05c55;
  --color-dockside-red-700: #814944;
  --color-dockside-red-800: #5f3432;
  --color-dockside-red-900: #432422;
  --color-dockside-red-950: #2b1211;
}

SCSS

$dockside-red: #7b3732;
$dockside-red-rgb: 123, 55, 50;
$dockside-red-light: mix(#fff, $dockside-red, 20%);
$dockside-red-dark: mix(#000, $dockside-red, 20%);

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