#A5616D

CSS

:root {
  --cinnapink: #a5616d;
  --cinnapink-rgb: 165 97 109;
  --cinnapink-oklch: oklch(0.572 0.089 8.9);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(349 27% 51%);
  border-color: oklch(0.572 0.089 8.9);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a5616d;
  --color-cinnapink-50: #ffebef;
  --color-cinnapink-100: #ffdce0;
  --color-cinnapink-200: #f8c5cb;
  --color-cinnapink-300: #e1a5ac;
  --color-cinnapink-400: #cd8893;
  --color-cinnapink-500: #b96c7a;
  --color-cinnapink-600: #9c5c67;
  --color-cinnapink-700: #7d4952;
  --color-cinnapink-800: #5d353d;
  --color-cinnapink-900: #41242a;
  --color-cinnapink-950: #291318;
}

SCSS

$cinnapink: #a5616d;
$cinnapink-rgb: 165, 97, 109;
$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);
}