#9B6573

CSS

:root {
  --cinnapink: #9b6573;
  --cinnapink-rgb: 155 101 115;
  --cinnapink-oklch: oklch(0.569 0.072 2.7);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(344 21% 50%);
  border-color: oklch(0.569 0.072 2.7);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9b6573;
  --color-cinnapink-50: #ffedf2;
  --color-cinnapink-100: #fedee5;
  --color-cinnapink-200: #f0c8d0;
  --color-cinnapink-300: #d8a9b2;
  --color-cinnapink-400: #c38d9a;
  --color-cinnapink-500: #af7282;
  --color-cinnapink-600: #94616e;
  --color-cinnapink-700: #764d58;
  --color-cinnapink-800: #573841;
  --color-cinnapink-900: #3d262d;
  --color-cinnapink-950: #26141a;
}

SCSS

$cinnapink: #9b6573;
$cinnapink-rgb: 155, 101, 115;
$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);
}