#A6606A

CSS

:root {
  --cinnapink: #a6606a;
  --cinnapink-rgb: 166 96 106;
  --cinnapink-oklch: oklch(0.571 0.091 11.2);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(351 28% 51%);
  border-color: oklch(0.571 0.091 11.2);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a6606a;
  --color-cinnapink-50: #ffebee;
  --color-cinnapink-100: #ffdcdf;
  --color-cinnapink-200: #f9c5c9;
  --color-cinnapink-300: #e2a5aa;
  --color-cinnapink-400: #ce8891;
  --color-cinnapink-500: #ba6c77;
  --color-cinnapink-600: #9d5b65;
  --color-cinnapink-700: #7e4950;
  --color-cinnapink-800: #5d343c;
  --color-cinnapink-900: #412429;
  --color-cinnapink-950: #2a1217;
}

SCSS

$cinnapink: #a6606a;
$cinnapink-rgb: 166, 96, 106;
$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);
}