#995A63

CSS

:root {
  --cinnapink: #995a63;
  --cinnapink-rgb: 153 90 99;
  --cinnapink-oklch: oklch(0.542 0.083 11);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(351 26% 48%);
  border-color: oklch(0.542 0.083 11);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #995a63;
  --color-cinnapink-50: #ffecee;
  --color-cinnapink-100: #ffdde0;
  --color-cinnapink-200: #f6c6ca;
  --color-cinnapink-300: #dfa6ab;
  --color-cinnapink-400: #ca8a92;
  --color-cinnapink-500: #b66e78;
  --color-cinnapink-600: #9a5e66;
  --color-cinnapink-700: #7b4b51;
  --color-cinnapink-800: #5b363c;
  --color-cinnapink-900: #402529;
  --color-cinnapink-950: #291317;
}

SCSS

$cinnapink: #995a63;
$cinnapink-rgb: 153, 90, 99;
$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);
}