#9B6671

CSS

:root {
  --cinnapink: #9b6671;
  --cinnapink-rgb: 155 102 113;
  --cinnapink-oklch: oklch(0.57 0.07 5.9);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(348 21% 50%);
  border-color: oklch(0.57 0.07 5.9);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9b6671;
  --color-cinnapink-50: #ffedf1;
  --color-cinnapink-100: #fedfe3;
  --color-cinnapink-200: #f0c9ce;
  --color-cinnapink-300: #d8a9b1;
  --color-cinnapink-400: #c38e98;
  --color-cinnapink-500: #ae737f;
  --color-cinnapink-600: #93616c;
  --color-cinnapink-700: #764e56;
  --color-cinnapink-800: #573840;
  --color-cinnapink-900: #3d262c;
  --color-cinnapink-950: #261519;
}

SCSS

$cinnapink: #9b6671;
$cinnapink-rgb: 155, 102, 113;
$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);
}