#995A65

CSS

:root {
  --cinnapink: #995a65;
  --cinnapink-rgb: 153 90 101;
  --cinnapink-oklch: oklch(0.542 0.084 9);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(350 26% 48%);
  border-color: oklch(0.542 0.084 9);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #995a65;
  --color-cinnapink-50: #ffecef;
  --color-cinnapink-100: #ffdde1;
  --color-cinnapink-200: #f6c6cb;
  --color-cinnapink-300: #dea6ad;
  --color-cinnapink-400: #ca8a94;
  --color-cinnapink-500: #b66e7a;
  --color-cinnapink-600: #9a5e68;
  --color-cinnapink-700: #7b4b53;
  --color-cinnapink-800: #5b363d;
  --color-cinnapink-900: #40252a;
  --color-cinnapink-950: #291318;
}

SCSS

$cinnapink: #995a65;
$cinnapink-rgb: 153, 90, 101;
$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);
}