#A06767

CSS

:root {
  --cinnapink: #a06767;
  --cinnapink-rgb: 160 103 103;
  --cinnapink-oklch: oklch(0.575 0.074 19.6);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(0 23% 52%);
  border-color: oklch(0.575 0.074 19.6);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a06767;
  --color-cinnapink-50: #ffedec;
  --color-cinnapink-100: #ffdfdd;
  --color-cinnapink-200: #f3c9c6;
  --color-cinnapink-300: #dba9a7;
  --color-cinnapink-400: #c68d8d;
  --color-cinnapink-500: #b27272;
  --color-cinnapink-600: #966161;
  --color-cinnapink-700: #794d4d;
  --color-cinnapink-800: #593839;
  --color-cinnapink-900: #3e2627;
  --color-cinnapink-950: #271415;
}

SCSS

$cinnapink: #a06767;
$cinnapink-rgb: 160, 103, 103;
$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);
}