#A1636F

CSS

:root {
  --cinnapink: #a1636f;
  --cinnapink-rgb: 161 99 111;
  --cinnapink-oklch: oklch(0.571 0.081 7.4);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(348 25% 51%);
  border-color: oklch(0.571 0.081 7.4);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a1636f;
  --color-cinnapink-50: #ffecf0;
  --color-cinnapink-100: #ffdde2;
  --color-cinnapink-200: #f5c7cd;
  --color-cinnapink-300: #dda7ae;
  --color-cinnapink-400: #c98a96;
  --color-cinnapink-500: #b46f7c;
  --color-cinnapink-600: #985e69;
  --color-cinnapink-700: #7a4b54;
  --color-cinnapink-800: #5a363e;
  --color-cinnapink-900: #3f252b;
  --color-cinnapink-950: #281318;
}

SCSS

$cinnapink: #a1636f;
$cinnapink-rgb: 161, 99, 111;
$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);
}