#9B5D2B

CSS

:root {
  --chilli-con-carne: #9b5d2b;
  --chilli-con-carne-rgb: 155 93 43;
  --chilli-con-carne-oklch: oklch(0.539 0.104 56.8);
}

.element {
  color: var(--chilli-con-carne);
  background-color: hsl(27 57% 39%);
  border-color: oklch(0.539 0.104 56.8);
}

Tailwind CSS v4

@theme {
  --color-chilli-con-carne: #9b5d2b;
  --color-chilli-con-carne-50: #ffefd8;
  --color-chilli-con-carne-100: #ffe0c6;
  --color-chilli-con-carne-200: #f7caa9;
  --color-chilli-con-carne-300: #e0ab82;
  --color-chilli-con-carne-400: #cd8e60;
  --color-chilli-con-carne-500: #b9733b;
  --color-chilli-con-carne-600: #9d6133;
  --color-chilli-con-carne-700: #7e4e28;
  --color-chilli-con-carne-800: #5e381d;
  --color-chilli-con-carne-900: #422613;
  --color-chilli-con-carne-950: #2a1405;
}

SCSS

$chilli-con-carne: #9b5d2b;
$chilli-con-carne-rgb: 155, 93, 43;
$chilli-con-carne-light: mix(#fff, $chilli-con-carne, 20%);
$chilli-con-carne-dark: mix(#000, $chilli-con-carne, 20%);

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