#9B6973

CSS

:root {
  --cinnapink: #9b6973;
  --cinnapink-rgb: 155 105 115;
  --cinnapink-oklch: oklch(0.576 0.065 6.2);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(348 20% 51%);
  border-color: oklch(0.576 0.065 6.2);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9b6973;
  --color-cinnapink-50: #ffeef1;
  --color-cinnapink-100: #fddfe3;
  --color-cinnapink-200: #eec9cf;
  --color-cinnapink-300: #d6aab1;
  --color-cinnapink-400: #c18f98;
  --color-cinnapink-500: #ac747f;
  --color-cinnapink-600: #91626c;
  --color-cinnapink-700: #754f56;
  --color-cinnapink-800: #563940;
  --color-cinnapink-900: #3c272c;
  --color-cinnapink-950: #261519;
}

SCSS

$cinnapink: #9b6973;
$cinnapink-rgb: 155, 105, 115;
$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);
}