#A86178

CSS

:root {
  --cinnapink: #a86178;
  --cinnapink-rgb: 168 97 120;
  --cinnapink-oklch: oklch(0.579 0.096 359.7);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(341 29% 52%);
  border-color: oklch(0.579 0.096 359.7);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a86178;
  --color-cinnapink-50: #ffeaf3;
  --color-cinnapink-100: #ffdbe5;
  --color-cinnapink-200: #f9c4d1;
  --color-cinnapink-300: #e2a3b4;
  --color-cinnapink-400: #cd869c;
  --color-cinnapink-500: #b96a84;
  --color-cinnapink-600: #9d5a70;
  --color-cinnapink-700: #7e4859;
  --color-cinnapink-800: #5d3442;
  --color-cinnapink-900: #41232e;
  --color-cinnapink-950: #29121b;
}

SCSS

$cinnapink: #a86178;
$cinnapink-rgb: 168, 97, 120;
$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);
}