#C16C51

CSS

:root {
  --clay: #c16c51;
  --clay-rgb: 193 108 81;
  --clay-oklch: oklch(0.621 0.116 38.4);
}

.element {
  color: var(--clay);
  background-color: hsl(14 47% 54%);
  border-color: oklch(0.621 0.116 38.4);
}

Tailwind CSS v4

@theme {
  --color-clay: #c16c51;
  --color-clay-50: #ffebdd;
  --color-clay-100: #ffdccb;
  --color-clay-200: #ffc4af;
  --color-clay-300: #eba48a;
  --color-clay-400: #d9866b;
  --color-clay-500: #c6684a;
  --color-clay-600: #a75940;
  --color-clay-700: #864732;
  --color-clay-800: #643225;
  --color-clay-900: #462218;
  --color-clay-950: #2d1109;
}

SCSS

$clay: #c16c51;
$clay-rgb: 193, 108, 81;
$clay-light: mix(#fff, $clay, 20%);
$clay-dark: mix(#000, $clay, 20%);

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