#6A3441

CSS

:root {
  --kofte-brown: #6a3441;
  --kofte-brown-rgb: 106 52 65;
  --kofte-brown-oklch: oklch(0.399 0.078 5.9);
}

.element {
  color: var(--kofte-brown);
  background-color: hsl(346 34% 31%);
  border-color: oklch(0.399 0.078 5.9);
}

Tailwind CSS v4

@theme {
  --color-kofte-brown: #6a3441;
  --color-kofte-brown-50: #ffecf1;
  --color-kofte-brown-100: #ffdee3;
  --color-kofte-brown-200: #f3c7ce;
  --color-kofte-brown-300: #dca7b0;
  --color-kofte-brown-400: #c78b97;
  --color-kofte-brown-500: #b2707e;
  --color-kofte-brown-600: #975f6b;
  --color-kofte-brown-700: #794c55;
  --color-kofte-brown-800: #59373f;
  --color-kofte-brown-900: #3f252b;
  --color-kofte-brown-950: #271419;
}

SCSS

$kofte-brown: #6a3441;
$kofte-brown-rgb: 106, 52, 65;
$kofte-brown-light: mix(#fff, $kofte-brown, 20%);
$kofte-brown-dark: mix(#000, $kofte-brown, 20%);

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