#A46774

CSS

:root {
  --cinnapink: #a46774;
  --cinnapink-rgb: 164 103 116;
  --cinnapink-oklch: oklch(0.584 0.08 6);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(347 25% 52%);
  border-color: oklch(0.584 0.08 6);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a46774;
  --color-cinnapink-50: #ffecf1;
  --color-cinnapink-100: #ffdde3;
  --color-cinnapink-200: #f4c7ce;
  --color-cinnapink-300: #dca7af;
  --color-cinnapink-400: #c88b97;
  --color-cinnapink-500: #b36f7e;
  --color-cinnapink-600: #985e6b;
  --color-cinnapink-700: #7a4b55;
  --color-cinnapink-800: #5a363f;
  --color-cinnapink-900: #3f252b;
  --color-cinnapink-950: #281419;
}

SCSS

$cinnapink: #a46774;
$cinnapink-rgb: 164, 103, 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);
}