#9E5761

CSS

:root {
  --cinnapink: #9e5761;
  --cinnapink-rgb: 158 87 97;
  --cinnapink-oklch: oklch(0.542 0.094 11.7);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(352 29% 48%);
  border-color: oklch(0.542 0.094 11.7);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9e5761;
  --color-cinnapink-50: #ffebed;
  --color-cinnapink-100: #ffdcde;
  --color-cinnapink-200: #fac5c8;
  --color-cinnapink-300: #e3a4a9;
  --color-cinnapink-400: #cf8790;
  --color-cinnapink-500: #bb6b76;
  --color-cinnapink-600: #9e5b64;
  --color-cinnapink-700: #7f4850;
  --color-cinnapink-800: #5e343b;
  --color-cinnapink-900: #422328;
  --color-cinnapink-950: #2a1216;
}

SCSS

$cinnapink: #9e5761;
$cinnapink-rgb: 158, 87, 97;
$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);
}