#A76274

CSS

:root {
  --cinnapink: #a76274;
  --cinnapink-rgb: 167 98 116;
  --cinnapink-oklch: oklch(0.579 0.092 3.5);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(344 28% 52%);
  border-color: oklch(0.579 0.092 3.5);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a76274;
  --color-cinnapink-50: #ffebf1;
  --color-cinnapink-100: #ffdce3;
  --color-cinnapink-200: #f8c5ce;
  --color-cinnapink-300: #e1a4b0;
  --color-cinnapink-400: #cd8899;
  --color-cinnapink-500: #b86b80;
  --color-cinnapink-600: #9c5b6c;
  --color-cinnapink-700: #7d4956;
  --color-cinnapink-800: #5c3440;
  --color-cinnapink-900: #41242c;
  --color-cinnapink-950: #291219;
}

SCSS

$cinnapink: #a76274;
$cinnapink-rgb: 167, 98, 116;
$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);
}