#A1666D

CSS

:root {
  --cinnapink: #a1666d;
  --cinnapink-rgb: 161 102 109;
  --cinnapink-oklch: oklch(0.576 0.077 12);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(353 24% 52%);
  border-color: oklch(0.576 0.077 12);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a1666d;
  --color-cinnapink-50: #ffedee;
  --color-cinnapink-100: #ffdee0;
  --color-cinnapink-200: #f3c8ca;
  --color-cinnapink-300: #dca8ab;
  --color-cinnapink-400: #c78c92;
  --color-cinnapink-500: #b37179;
  --color-cinnapink-600: #976066;
  --color-cinnapink-700: #794c52;
  --color-cinnapink-800: #5a373c;
  --color-cinnapink-900: #3f2629;
  --color-cinnapink-950: #281417;
}

SCSS

$cinnapink: #a1666d;
$cinnapink-rgb: 161, 102, 109;
$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);
}