#A56074

CSS

:root {
  --cinnapink: #a56074;
  --cinnapink-rgb: 165 96 116;
  --cinnapink-oklch: oklch(0.573 0.093 1.8);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(343 28% 51%);
  border-color: oklch(0.573 0.093 1.8);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a56074;
  --color-cinnapink-50: #ffebf2;
  --color-cinnapink-100: #ffdce4;
  --color-cinnapink-200: #f8c4d0;
  --color-cinnapink-300: #e1a4b2;
  --color-cinnapink-400: #cd879a;
  --color-cinnapink-500: #b86b82;
  --color-cinnapink-600: #9c5b6e;
  --color-cinnapink-700: #7d4958;
  --color-cinnapink-800: #5c3441;
  --color-cinnapink-900: #41242d;
  --color-cinnapink-950: #29121a;
}

SCSS

$cinnapink: #a56074;
$cinnapink-rgb: 165, 96, 116;
$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);
}