#A06579

CSS

:root {
  --cinnapink: #a06579;
  --cinnapink-rgb: 160 101 121;
  --cinnapink-oklch: oklch(0.577 0.08 358);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(340 24% 51%);
  border-color: oklch(0.577 0.08 358);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a06579;
  --color-cinnapink-50: #ffecf4;
  --color-cinnapink-100: #ffdde7;
  --color-cinnapink-200: #f3c7d3;
  --color-cinnapink-300: #dba7b6;
  --color-cinnapink-400: #c68b9e;
  --color-cinnapink-500: #b16f86;
  --color-cinnapink-600: #965e71;
  --color-cinnapink-700: #784b5b;
  --color-cinnapink-800: #593643;
  --color-cinnapink-900: #3e252e;
  --color-cinnapink-950: #27141b;
}

SCSS

$cinnapink: #a06579;
$cinnapink-rgb: 160, 101, 121;
$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);
}