#9C6872

CSS

:root {
  --cinnapink: #9c6872;
  --cinnapink-rgb: 156 104 114;
  --cinnapink-oklch: oklch(0.575 0.068 6.8);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(348 21% 51%);
  border-color: oklch(0.575 0.068 6.8);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9c6872;
  --color-cinnapink-50: #ffeef1;
  --color-cinnapink-100: #fedfe3;
  --color-cinnapink-200: #efc9ce;
  --color-cinnapink-300: #d7aab0;
  --color-cinnapink-400: #c28e98;
  --color-cinnapink-500: #ad737e;
  --color-cinnapink-600: #93626b;
  --color-cinnapink-700: #764e56;
  --color-cinnapink-800: #57383f;
  --color-cinnapink-900: #3d272b;
  --color-cinnapink-950: #261519;
}

SCSS

$cinnapink: #9c6872;
$cinnapink-rgb: 156, 104, 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);
}