#A4637B

CSS

:root {
  --cinnapink: #a4637b;
  --cinnapink-rgb: 164 99 123;
  --cinnapink-oklch: oklch(0.579 0.089 356.6);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(338 26% 52%);
  border-color: oklch(0.579 0.089 356.6);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a4637b;
  --color-cinnapink-50: #ffebf5;
  --color-cinnapink-100: #ffdce7;
  --color-cinnapink-200: #f5c5d4;
  --color-cinnapink-300: #dea5b7;
  --color-cinnapink-400: #c9889f;
  --color-cinnapink-500: #b56c87;
  --color-cinnapink-600: #995c73;
  --color-cinnapink-700: #7b495c;
  --color-cinnapink-800: #5b3544;
  --color-cinnapink-900: #3f242f;
  --color-cinnapink-950: #28131c;
}

SCSS

$cinnapink: #a4637b;
$cinnapink-rgb: 164, 99, 123;
$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);
}