#966028

CSS

:root {
  --chilli-con-carne: #966028;
  --chilli-con-carne-rgb: 150 96 40;
  --chilli-con-carne-oklch: oklch(0.538 0.1 63.5);
}

.element {
  color: var(--chilli-con-carne);
  background-color: hsl(31 58% 37%);
  border-color: oklch(0.538 0.1 63.5);
}

Tailwind CSS v4

@theme {
  --color-chilli-con-carne: #966028;
  --color-chilli-con-carne-50: #fff0d8;
  --color-chilli-con-carne-100: #ffe2c6;
  --color-chilli-con-carne-200: #f3cca8;
  --color-chilli-con-carne-300: #dbad81;
  --color-chilli-con-carne-400: #c8915e;
  --color-chilli-con-carne-500: #b47638;
  --color-chilli-con-carne-600: #986531;
  --color-chilli-con-carne-700: #7a5027;
  --color-chilli-con-carne-800: #5b3a1b;
  --color-chilli-con-carne-900: #402812;
  --color-chilli-con-carne-950: #281504;
}

SCSS

$chilli-con-carne: #966028;
$chilli-con-carne-rgb: 150, 96, 40;
$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);
}