#A75F6F

CSS

:root {
  --cinnapink: #a75f6f;
  --cinnapink-rgb: 167 95 111;
  --cinnapink-oklch: oklch(0.572 0.095 6.2);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(347 29% 51%);
  border-color: oklch(0.572 0.095 6.2);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a75f6f;
  --color-cinnapink-50: #ffebf0;
  --color-cinnapink-100: #ffdbe2;
  --color-cinnapink-200: #fac4cc;
  --color-cinnapink-300: #e3a4ae;
  --color-cinnapink-400: #cf8795;
  --color-cinnapink-500: #bb6a7c;
  --color-cinnapink-600: #9e5a69;
  --color-cinnapink-700: #7f4854;
  --color-cinnapink-800: #5e343e;
  --color-cinnapink-900: #42232b;
  --color-cinnapink-950: #2a1218;
}

SCSS

$cinnapink: #a75f6f;
$cinnapink-rgb: 167, 95, 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);
}