Pompeii Ash

CSS

:root {
  --pompeii-ash: #6c757d;
  --pompeii-ash-rgb: 108 117 125;
  --pompeii-ash-oklch: oklch(0.558 0.016 244.9);
}

.element {
  color: var(--pompeii-ash);
  background-color: hsl(208 7% 46%);
  border-color: oklch(0.558 0.016 244.9);
}

Tailwind CSS v4

@theme {
  --color-pompeii-ash: #6c757d;
  --color-pompeii-ash-50: #f1f6fa;
  --color-pompeii-ash-100: #e4e8ed;
  --color-pompeii-ash-200: #cfd5db;
  --color-pompeii-ash-300: #b1b8c0;
  --color-pompeii-ash-400: #97a0a8;
  --color-pompeii-ash-500: #7d8891;
  --color-pompeii-ash-600: #6a737a;
  --color-pompeii-ash-700: #555c62;
  --color-pompeii-ash-800: #3e4348;
  --color-pompeii-ash-900: #2a2e32;
  --color-pompeii-ash-950: #181b1e;
}

SCSS

$pompeii-ash: #6c757d;
$pompeii-ash-rgb: 108, 117, 125;
$pompeii-ash-light: mix(#fff, $pompeii-ash, 20%);
$pompeii-ash-dark: mix(#000, $pompeii-ash, 20%);

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