#A26573

CSS

:root {
  --cinnapink: #a26573;
  --cinnapink-rgb: 162 101 115;
  --cinnapink-oklch: oklch(0.577 0.08 5);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(346 25% 52%);
  border-color: oklch(0.577 0.08 5);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a26573;
  --color-cinnapink-50: #ffecf1;
  --color-cinnapink-100: #ffdde3;
  --color-cinnapink-200: #f4c7ce;
  --color-cinnapink-300: #dda7b0;
  --color-cinnapink-400: #c88b98;
  --color-cinnapink-500: #b36f7f;
  --color-cinnapink-600: #985e6b;
  --color-cinnapink-700: #7a4b56;
  --color-cinnapink-800: #5a3640;
  --color-cinnapink-900: #3f252c;
  --color-cinnapink-950: #281419;
}

SCSS

$cinnapink: #a26573;
$cinnapink-rgb: 162, 101, 115;
$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);
}