#9E6775

CSS

:root {
  --cinnapink: #9e6775;
  --cinnapink-rgb: 158 103 117;
  --cinnapink-oklch: oklch(0.577 0.073 3);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(345 22% 51%);
  border-color: oklch(0.577 0.073 3);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9e6775;
  --color-cinnapink-50: #ffedf2;
  --color-cinnapink-100: #ffdee4;
  --color-cinnapink-200: #f1c8d0;
  --color-cinnapink-300: #d9a8b2;
  --color-cinnapink-400: #c48d9a;
  --color-cinnapink-500: #af7281;
  --color-cinnapink-600: #94606e;
  --color-cinnapink-700: #774d58;
  --color-cinnapink-800: #583841;
  --color-cinnapink-900: #3d262d;
  --color-cinnapink-950: #27141a;
}

SCSS

$cinnapink: #9e6775;
$cinnapink-rgb: 158, 103, 117;
$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);
}