#9C6877

CSS

:root {
  --cinnapink: #9c6877;
  --cinnapink-rgb: 156 104 119;
  --cinnapink-oklch: oklch(0.577 0.07 0.7);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(343 21% 51%);
  border-color: oklch(0.577 0.07 0.7);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9c6877;
  --color-cinnapink-50: #ffedf3;
  --color-cinnapink-100: #fddfe6;
  --color-cinnapink-200: #efc9d1;
  --color-cinnapink-300: #d7a9b4;
  --color-cinnapink-400: #c28e9c;
  --color-cinnapink-500: #ad7384;
  --color-cinnapink-600: #92616f;
  --color-cinnapink-700: #754e59;
  --color-cinnapink-800: #563842;
  --color-cinnapink-900: #3c262d;
  --color-cinnapink-950: #26151a;
}

SCSS

$cinnapink: #9c6877;
$cinnapink-rgb: 156, 104, 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);
}