#372C1B

CSS

:root {
  --go-to-hell-black: #372c1b;
  --go-to-hell-black-rgb: 55 44 27;
  --go-to-hell-black-oklch: oklch(0.301 0.032 77.9);
}

.element {
  color: var(--go-to-hell-black);
  background-color: hsl(36 34% 16%);
  border-color: oklch(0.301 0.032 77.9);
}

Tailwind CSS v4

@theme {
  --color-go-to-hell-black: #372c1b;
  --color-go-to-hell-black-50: #faf4eb;
  --color-go-to-hell-black-100: #eee7dc;
  --color-go-to-hell-black-200: #dcd3c5;
  --color-go-to-hell-black-300: #c0b6a5;
  --color-go-to-hell-black-400: #a99c89;
  --color-go-to-hell-black-500: #92846e;
  --color-go-to-hell-black-600: #7c705e;
  --color-go-to-hell-black-700: #63594b;
  --color-go-to-hell-black-800: #494136;
  --color-go-to-hell-black-900: #332d25;
  --color-go-to-hell-black-950: #1e1a13;
}

SCSS

$go-to-hell-black: #372c1b;
$go-to-hell-black-rgb: 55, 44, 27;
$go-to-hell-black-light: mix(#fff, $go-to-hell-black, 20%);
$go-to-hell-black-dark: mix(#000, $go-to-hell-black, 20%);

.element {
  color: $go-to-hell-black;
  box-shadow: 0 0 0 2px rgba($go-to-hell-black, 0.35);
}