#926C57

CSS

:root {
  --leather: #926c57;
  --leather-rgb: 146 108 87;
  --leather-oklch: oklch(0.564 0.058 50.1);
}

.element {
  color: var(--leather);
  background-color: hsl(21 25% 46%);
  border-color: oklch(0.564 0.058 50.1);
}

Tailwind CSS v4

@theme {
  --color-leather: #926c57;
  --color-leather-50: #fff1e6;
  --color-leather-100: #f9e3d7;
  --color-leather-200: #e9cebe;
  --color-leather-300: #d0b09d;
  --color-leather-400: #bb9580;
  --color-leather-500: #a67b64;
  --color-leather-600: #8c6855;
  --color-leather-700: #715343;
  --color-leather-800: #533c31;
  --color-leather-900: #3a2a21;
  --color-leather-950: #241710;
}

SCSS

$leather: #926c57;
$leather-rgb: 146, 108, 87;
$leather-light: mix(#fff, $leather, 20%);
$leather-dark: mix(#000, $leather, 20%);

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