#743B2F

CSS

:root {
  --ebi-brown: #743b2f;
  --ebi-brown-rgb: 116 59 47;
  --ebi-brown-oklch: oklch(0.422 0.083 33.1);
}

.element {
  color: var(--ebi-brown);
  background-color: hsl(10 42% 32%);
  border-color: oklch(0.422 0.083 33.1);
}

Tailwind CSS v4

@theme {
  --color-ebi-brown: #743b2f;
  --color-ebi-brown-50: #ffede5;
  --color-ebi-brown-100: #ffdfd6;
  --color-ebi-brown-200: #f5c8bd;
  --color-ebi-brown-300: #dea99b;
  --color-ebi-brown-400: #ca8d7f;
  --color-ebi-brown-500: #b67162;
  --color-ebi-brown-600: #9a6053;
  --color-ebi-brown-700: #7c4d42;
  --color-ebi-brown-800: #5c3731;
  --color-ebi-brown-900: #402621;
  --color-ebi-brown-950: #291410;
}

SCSS

$ebi-brown: #743b2f;
$ebi-brown-rgb: 116, 59, 47;
$ebi-brown-light: mix(#fff, $ebi-brown, 20%);
$ebi-brown-dark: mix(#000, $ebi-brown, 20%);

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