#746A63

CSS

:root {
  --granite: #746a63;
  --granite-rgb: 116 106 99;
  --granite-oklch: oklch(0.531 0.017 57.4);
}

.element {
  color: var(--granite);
  background-color: hsl(25 8% 42%);
  border-color: oklch(0.531 0.017 57.4);
}

Tailwind CSS v4

@theme {
  --color-granite: #746a63;
  --color-granite-50: #f9f4f0;
  --color-granite-100: #ece7e2;
  --color-granite-200: #dad3cd;
  --color-granite-300: #beb6af;
  --color-granite-400: #a69c95;
  --color-granite-500: #8f847c;
  --color-granite-600: #796f69;
  --color-granite-700: #615954;
  --color-granite-800: #47413d;
  --color-granite-900: #312d2a;
  --color-granite-950: #1d1a17;
}

SCSS

$granite: #746a63;
$granite-rgb: 116, 106, 99;
$granite-light: mix(#fff, $granite, 20%);
$granite-dark: mix(#000, $granite, 20%);

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