#A1617A

CSS

:root {
  --cinnapink: #a1617a;
  --cinnapink-rgb: 161 97 122;
  --cinnapink-oklch: oklch(0.571 0.089 355.3);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(337 25% 51%);
  border-color: oklch(0.571 0.089 355.3);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a1617a;
  --color-cinnapink-50: #ffebf5;
  --color-cinnapink-100: #ffdce8;
  --color-cinnapink-200: #f5c5d4;
  --color-cinnapink-300: #dea5b8;
  --color-cinnapink-400: #c989a1;
  --color-cinnapink-500: #b46d89;
  --color-cinnapink-600: #985c74;
  --color-cinnapink-700: #7a4a5d;
  --color-cinnapink-800: #5a3545;
  --color-cinnapink-900: #3f2430;
  --color-cinnapink-950: #28131c;
}

SCSS

$cinnapink: #a1617a;
$cinnapink-rgb: 161, 97, 122;
$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);
}