#A36079

CSS

:root {
  --cinnapink: #a36079;
  --cinnapink-rgb: 163 96 121;
  --cinnapink-oklch: oklch(0.572 0.092 356.5);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(338 27% 51%);
  border-color: oklch(0.572 0.092 356.5);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a36079;
  --color-cinnapink-50: #ffebf5;
  --color-cinnapink-100: #ffdce7;
  --color-cinnapink-200: #f6c5d4;
  --color-cinnapink-300: #dfa4b7;
  --color-cinnapink-400: #cb88a0;
  --color-cinnapink-500: #b76b87;
  --color-cinnapink-600: #9a5b73;
  --color-cinnapink-700: #7c495c;
  --color-cinnapink-800: #5b3444;
  --color-cinnapink-900: #40242f;
  --color-cinnapink-950: #29121c;
}

SCSS

$cinnapink: #a36079;
$cinnapink-rgb: 163, 96, 121;
$cinnapink-light: mix(#fff, $cinnapink, 20%);
$cinnapink-dark: mix(#000, $cinnapink, 20%);

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