Foggy London

CSS

:root {
  --foggy-london: #5c5658;
  --foggy-london-rgb: 92 86 88;
  --foggy-london-oklch: oklch(0.46 0.008 355.1);
}

.element {
  color: var(--foggy-london);
  background-color: hsl(340 3% 35%);
  border-color: oklch(0.46 0.008 355.1);
}

Tailwind CSS v4

@theme {
  --color-foggy-london: #5c5658;
  --color-foggy-london-50: #f7f4f5;
  --color-foggy-london-100: #eae7e8;
  --color-foggy-london-200: #d7d3d4;
  --color-foggy-london-300: #bbb6b7;
  --color-foggy-london-400: #a39c9e;
  --color-foggy-london-500: #8b8486;
  --color-foggy-london-600: #767072;
  --color-foggy-london-700: #5e595b;
  --color-foggy-london-800: #454142;
  --color-foggy-london-900: #302d2e;
  --color-foggy-london-950: #1c1a1b;
}

SCSS

$foggy-london: #5c5658;
$foggy-london-rgb: 92, 86, 88;
$foggy-london-light: mix(#fff, $foggy-london, 20%);
$foggy-london-dark: mix(#000, $foggy-london, 20%);

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