#9E6378

CSS

:root {
  --cinnapink: #9e6378;
  --cinnapink-rgb: 158 99 120;
  --cinnapink-oklch: oklch(0.57 0.081 357.1);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(339 23% 50%);
  border-color: oklch(0.57 0.081 357.1);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9e6378;
  --color-cinnapink-50: #ffecf4;
  --color-cinnapink-100: #ffdde7;
  --color-cinnapink-200: #f3c7d3;
  --color-cinnapink-300: #dba7b6;
  --color-cinnapink-400: #c68b9f;
  --color-cinnapink-500: #b16f87;
  --color-cinnapink-600: #965e72;
  --color-cinnapink-700: #784b5b;
  --color-cinnapink-800: #593644;
  --color-cinnapink-900: #3e252f;
  --color-cinnapink-950: #27141b;
}

SCSS

$cinnapink: #9e6378;
$cinnapink-rgb: 158, 99, 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);
}