#9A6577

CSS

:root {
  --cinnapink: #9a6577;
  --cinnapink-rgb: 154 101 119;
  --cinnapink-oklch: oklch(0.569 0.072 357.7);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(340 21% 50%);
  border-color: oklch(0.569 0.072 357.7);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9a6577;
  --color-cinnapink-50: #ffedf4;
  --color-cinnapink-100: #fedee7;
  --color-cinnapink-200: #f0c8d3;
  --color-cinnapink-300: #d8a9b6;
  --color-cinnapink-400: #c28d9e;
  --color-cinnapink-500: #ad7286;
  --color-cinnapink-600: #936172;
  --color-cinnapink-700: #764d5b;
  --color-cinnapink-800: #573843;
  --color-cinnapink-900: #3d262e;
  --color-cinnapink-950: #26141b;
}

SCSS

$cinnapink: #9a6577;
$cinnapink-rgb: 154, 101, 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);
}