#C83621

CSS

:root {
  --lucky-lobster: #c83621;
  --lucky-lobster-rgb: 200 54 33;
  --lucky-lobster-oklch: oklch(0.553 0.186 31.3);
}

.element {
  color: var(--lucky-lobster);
  background-color: hsl(8 72% 46%);
  border-color: oklch(0.553 0.186 31.3);
}

Tailwind CSS v4

@theme {
  --color-lucky-lobster: #c83621;
  --color-lucky-lobster-50: #ffe3d3;
  --color-lucky-lobster-100: #ffd2c0;
  --color-lucky-lobster-200: #ffb7a0;
  --color-lucky-lobster-300: #ff9177;
  --color-lucky-lobster-400: #f86c55;
  --color-lucky-lobster-500: #e7432b;
  --color-lucky-lobster-600: #c33a26;
  --color-lucky-lobster-700: #9d2f1e;
  --color-lucky-lobster-800: #752017;
  --color-lucky-lobster-900: #53150f;
  --color-lucky-lobster-950: #370503;
}

SCSS

$lucky-lobster: #c83621;
$lucky-lobster-rgb: 200, 54, 33;
$lucky-lobster-light: mix(#fff, $lucky-lobster, 20%);
$lucky-lobster-dark: mix(#000, $lucky-lobster, 20%);

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