#9F6771

CSS

:root {
  --cinnapink: #9f6771;
  --cinnapink-rgb: 159 103 113;
  --cinnapink-oklch: oklch(0.577 0.073 7.9);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(349 23% 51%);
  border-color: oklch(0.577 0.073 7.9);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9f6771;
  --color-cinnapink-50: #ffedf0;
  --color-cinnapink-100: #ffdee2;
  --color-cinnapink-200: #f2c8cd;
  --color-cinnapink-300: #daa8af;
  --color-cinnapink-400: #c58d96;
  --color-cinnapink-500: #b0727d;
  --color-cinnapink-600: #95606a;
  --color-cinnapink-700: #784d54;
  --color-cinnapink-800: #58383e;
  --color-cinnapink-900: #3e262b;
  --color-cinnapink-950: #271418;
}

SCSS

$cinnapink: #9f6771;
$cinnapink-rgb: 159, 103, 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);
}