#9D6667

CSS

:root {
  --cinnapink: #9d6667;
  --cinnapink-rgb: 157 102 103;
  --cinnapink-oklch: oklch(0.569 0.071 18.3);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(359 22% 51%);
  border-color: oklch(0.569 0.071 18.3);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9d6667;
  --color-cinnapink-50: #ffeeed;
  --color-cinnapink-100: #ffdfde;
  --color-cinnapink-200: #f2c9c7;
  --color-cinnapink-300: #daa9a8;
  --color-cinnapink-400: #c58e8e;
  --color-cinnapink-500: #b17374;
  --color-cinnapink-600: #956162;
  --color-cinnapink-700: #784e4e;
  --color-cinnapink-800: #59383a;
  --color-cinnapink-900: #3e2628;
  --color-cinnapink-950: #271516;
}

SCSS

$cinnapink: #9d6667;
$cinnapink-rgb: 157, 102, 103;
$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);
}