#A76277

CSS

:root {
  --cinnapink: #a76277;
  --cinnapink-rgb: 167 98 119;
  --cinnapink-oklch: oklch(0.579 0.093 0.8);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(342 28% 52%);
  border-color: oklch(0.579 0.093 0.8);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a76277;
  --color-cinnapink-50: #ffebf3;
  --color-cinnapink-100: #ffdce5;
  --color-cinnapink-200: #f8c4d0;
  --color-cinnapink-300: #e1a4b3;
  --color-cinnapink-400: #cc879b;
  --color-cinnapink-500: #b86b83;
  --color-cinnapink-600: #9c5b6f;
  --color-cinnapink-700: #7d4858;
  --color-cinnapink-800: #5c3442;
  --color-cinnapink-900: #41242d;
  --color-cinnapink-950: #29121a;
}

SCSS

$cinnapink: #a76277;
$cinnapink-rgb: 167, 98, 119;
$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);
}