Obsidian Stone

CSS

:root {
  --obsidian-stone: #3c3f40;
  --obsidian-stone-rgb: 60 63 64;
  --obsidian-stone-oklch: oklch(0.365 0.004 219.6);
}

.element {
  color: var(--obsidian-stone);
  background-color: hsl(195 3% 24%);
  border-color: oklch(0.365 0.004 219.6);
}

Tailwind CSS v4

@theme {
  --color-obsidian-stone: #3c3f40;
  --color-obsidian-stone-50: #f4f5f6;
  --color-obsidian-stone-100: #e6e8e9;
  --color-obsidian-stone-200: #d2d5d5;
  --color-obsidian-stone-300: #b5b8b9;
  --color-obsidian-stone-400: #9c9fa0;
  --color-obsidian-stone-500: #838788;
  --color-obsidian-stone-600: #6f7273;
  --color-obsidian-stone-700: #595b5c;
  --color-obsidian-stone-800: #414343;
  --color-obsidian-stone-900: #2d2e2e;
  --color-obsidian-stone-950: #1a1b1b;
}

SCSS

$obsidian-stone: #3c3f40;
$obsidian-stone-rgb: 60, 63, 64;
$obsidian-stone-light: mix(#fff, $obsidian-stone, 20%);
$obsidian-stone-dark: mix(#000, $obsidian-stone, 20%);

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