#9C6668

CSS

:root {
  --cinnapink: #9c6668;
  --cinnapink-rgb: 156 102 104;
  --cinnapink-oklch: oklch(0.569 0.07 17.1);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(358 21% 51%);
  border-color: oklch(0.569 0.07 17.1);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9c6668;
  --color-cinnapink-50: #ffeeed;
  --color-cinnapink-100: #ffdfdf;
  --color-cinnapink-200: #f1c9c8;
  --color-cinnapink-300: #d9aaa9;
  --color-cinnapink-400: #c48e8f;
  --color-cinnapink-500: #b07375;
  --color-cinnapink-600: #956263;
  --color-cinnapink-700: #774e4f;
  --color-cinnapink-800: #58383a;
  --color-cinnapink-900: #3e2728;
  --color-cinnapink-950: #271516;
}

SCSS

$cinnapink: #9c6668;
$cinnapink-rgb: 156, 102, 104;
$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);
}