#A86272

CSS

:root {
  --cinnapink: #a86272;
  --cinnapink-rgb: 168 98 114;
  --cinnapink-oklch: oklch(0.579 0.092 5.6);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(346 29% 52%);
  border-color: oklch(0.579 0.092 5.6);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a86272;
  --color-cinnapink-50: #ffebf0;
  --color-cinnapink-100: #ffdce2;
  --color-cinnapink-200: #f8c5cd;
  --color-cinnapink-300: #e2a4af;
  --color-cinnapink-400: #cd8796;
  --color-cinnapink-500: #b96b7d;
  --color-cinnapink-600: #9d5b6a;
  --color-cinnapink-700: #7e4955;
  --color-cinnapink-800: #5d343f;
  --color-cinnapink-900: #41242b;
  --color-cinnapink-950: #2a1219;
}

SCSS

$cinnapink: #a86272;
$cinnapink-rgb: 168, 98, 114;
$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);
}