#9C6574

CSS

:root {
  --cinnapink: #9c6574;
  --cinnapink-rgb: 156 101 116;
  --cinnapink-oklch: oklch(0.57 0.073 1.9);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(344 22% 50%);
  border-color: oklch(0.57 0.073 1.9);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9c6574;
  --color-cinnapink-50: #ffedf3;
  --color-cinnapink-100: #ffdee5;
  --color-cinnapink-200: #f1c8d0;
  --color-cinnapink-300: #d9a8b3;
  --color-cinnapink-400: #c48d9b;
  --color-cinnapink-500: #af7182;
  --color-cinnapink-600: #94606e;
  --color-cinnapink-700: #774d58;
  --color-cinnapink-800: #583841;
  --color-cinnapink-900: #3d262d;
  --color-cinnapink-950: #27141a;
}

SCSS

$cinnapink: #9c6574;
$cinnapink-rgb: 156, 101, 116;
$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);
}