#966871

CSS

:root {
  --cinnapink: #966871;
  --cinnapink-rgb: 150 104 113;
  --cinnapink-oklch: oklch(0.568 0.06 6.3);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(348 18% 50%);
  border-color: oklch(0.568 0.06 6.3);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #966871;
  --color-cinnapink-50: #ffeef2;
  --color-cinnapink-100: #fbe0e4;
  --color-cinnapink-200: #eccacf;
  --color-cinnapink-300: #d4abb1;
  --color-cinnapink-400: #be9099;
  --color-cinnapink-500: #a97680;
  --color-cinnapink-600: #8f646c;
  --color-cinnapink-700: #735056;
  --color-cinnapink-800: #553a40;
  --color-cinnapink-900: #3b282c;
  --color-cinnapink-950: #251619;
}

SCSS

$cinnapink: #966871;
$cinnapink-rgb: 150, 104, 113;
$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);
}