#9C6875

CSS

:root {
  --cinnapink: #9c6875;
  --cinnapink-rgb: 156 104 117;
  --cinnapink-oklch: oklch(0.576 0.069 3.1);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(345 21% 51%);
  border-color: oklch(0.576 0.069 3.1);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9c6875;
  --color-cinnapink-50: #ffedf2;
  --color-cinnapink-100: #fddfe5;
  --color-cinnapink-200: #efc9d0;
  --color-cinnapink-300: #d7a9b2;
  --color-cinnapink-400: #c28e9a;
  --color-cinnapink-500: #ad7382;
  --color-cinnapink-600: #92616e;
  --color-cinnapink-700: #754e58;
  --color-cinnapink-800: #573841;
  --color-cinnapink-900: #3c272d;
  --color-cinnapink-950: #26151a;
}

SCSS

$cinnapink: #9c6875;
$cinnapink-rgb: 156, 104, 117;
$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);
}