#A36572

CSS

:root {
  --cinnapink: #a36572;
  --cinnapink-rgb: 163 101 114;
  --cinnapink-oklch: oklch(0.578 0.081 6.3);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(347 25% 52%);
  border-color: oklch(0.578 0.081 6.3);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a36572;
  --color-cinnapink-50: #ffecf0;
  --color-cinnapink-100: #ffdde2;
  --color-cinnapink-200: #f4c7cd;
  --color-cinnapink-300: #dda7af;
  --color-cinnapink-400: #c98a97;
  --color-cinnapink-500: #b46f7d;
  --color-cinnapink-600: #985e6a;
  --color-cinnapink-700: #7a4b55;
  --color-cinnapink-800: #5a363f;
  --color-cinnapink-900: #3f252b;
  --color-cinnapink-950: #281319;
}

SCSS

$cinnapink: #a36572;
$cinnapink-rgb: 163, 101, 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);
}