#A65F74

CSS

:root {
  --cinnapink: #a65f74;
  --cinnapink-rgb: 166 95 116;
  --cinnapink-oklch: oklch(0.572 0.095 1.5);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(342 29% 51%);
  border-color: oklch(0.572 0.095 1.5);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a65f74;
  --color-cinnapink-50: #ffeaf2;
  --color-cinnapink-100: #ffdbe4;
  --color-cinnapink-200: #f9c4d0;
  --color-cinnapink-300: #e2a3b2;
  --color-cinnapink-400: #ce869a;
  --color-cinnapink-500: #ba6a82;
  --color-cinnapink-600: #9d5a6e;
  --color-cinnapink-700: #7e4858;
  --color-cinnapink-800: #5d3441;
  --color-cinnapink-900: #41232d;
  --color-cinnapink-950: #2a121a;
}

SCSS

$cinnapink: #a65f74;
$cinnapink-rgb: 166, 95, 116;
$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);
}