#A5646F

CSS

:root {
  --cinnapink: #a5646f;
  --cinnapink-rgb: 165 100 111;
  --cinnapink-oklch: oklch(0.578 0.085 9.1);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(350 27% 52%);
  border-color: oklch(0.578 0.085 9.1);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a5646f;
  --color-cinnapink-50: #ffecef;
  --color-cinnapink-100: #ffdde1;
  --color-cinnapink-200: #f6c6cb;
  --color-cinnapink-300: #dfa6ac;
  --color-cinnapink-400: #cb8a94;
  --color-cinnapink-500: #b66e7a;
  --color-cinnapink-600: #9a5d67;
  --color-cinnapink-700: #7c4a53;
  --color-cinnapink-800: #5b363d;
  --color-cinnapink-900: #40252a;
  --color-cinnapink-950: #291318;
}

SCSS

$cinnapink: #a5646f;
$cinnapink-rgb: 165, 100, 111;
$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);
}