#996A6C

CSS

:root {
  --cinnapink: #996a6c;
  --cinnapink-rgb: 153 106 108;
  --cinnapink-oklch: oklch(0.574 0.06 16.3);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(357 19% 51%);
  border-color: oklch(0.574 0.06 16.3);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #996a6c;
  --color-cinnapink-50: #ffefee;
  --color-cinnapink-100: #fce0e0;
  --color-cinnapink-200: #edcbca;
  --color-cinnapink-300: #d5acac;
  --color-cinnapink-400: #c09092;
  --color-cinnapink-500: #ab7678;
  --color-cinnapink-600: #906466;
  --color-cinnapink-700: #745051;
  --color-cinnapink-800: #553a3c;
  --color-cinnapink-900: #3c2829;
  --color-cinnapink-950: #251617;
}

SCSS

$cinnapink: #996a6c;
$cinnapink-rgb: 153, 106, 108;
$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);
}