#A5646E

CSS

:root {
  --cinnapink: #a5646e;
  --cinnapink-rgb: 165 100 110;
  --cinnapink-oklch: oklch(0.578 0.085 10.1);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(351 27% 52%);
  border-color: oklch(0.578 0.085 10.1);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a5646e;
  --color-cinnapink-50: #ffecef;
  --color-cinnapink-100: #ffdde0;
  --color-cinnapink-200: #f6c6ca;
  --color-cinnapink-300: #dfa6ac;
  --color-cinnapink-400: #cb8a93;
  --color-cinnapink-500: #b76e79;
  --color-cinnapink-600: #9a5d67;
  --color-cinnapink-700: #7c4a52;
  --color-cinnapink-800: #5c363d;
  --color-cinnapink-900: #40252a;
  --color-cinnapink-950: #291317;
}

SCSS

$cinnapink: #a5646e;
$cinnapink-rgb: 165, 100, 110;
$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);
}