#736B5F

CSS

:root {
  --granite: #736b5f;
  --granite-rgb: 115 107 95;
  --granite-oklch: oklch(0.532 0.021 78.1);
}

.element {
  color: var(--granite);
  background-color: hsl(36 10% 41%);
  border-color: oklch(0.532 0.021 78.1);
}

Tailwind CSS v4

@theme {
  --color-granite: #736b5f;
  --color-granite-50: #f8f5ef;
  --color-granite-100: #ebe7e0;
  --color-granite-200: #d9d3cb;
  --color-granite-300: #bdb6ac;
  --color-granite-400: #a59d91;
  --color-granite-500: #8e8577;
  --color-granite-600: #787065;
  --color-granite-700: #605a51;
  --color-granite-800: #47423a;
  --color-granite-900: #312d28;
  --color-granite-950: #1d1a16;
}

SCSS

$granite: #736b5f;
$granite-rgb: 115, 107, 95;
$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);
}