#A0676A

CSS

:root {
  --cinnapink: #a0676a;
  --cinnapink-rgb: 160 103 106;
  --cinnapink-oklch: oklch(0.576 0.074 16.2);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(357 23% 52%);
  border-color: oklch(0.576 0.074 16.2);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a0676a;
  --color-cinnapink-50: #ffeded;
  --color-cinnapink-100: #ffdfde;
  --color-cinnapink-200: #f2c8c8;
  --color-cinnapink-300: #dba9a9;
  --color-cinnapink-400: #c68d8f;
  --color-cinnapink-500: #b27275;
  --color-cinnapink-600: #966163;
  --color-cinnapink-700: #784d4f;
  --color-cinnapink-800: #59383a;
  --color-cinnapink-900: #3e2628;
  --color-cinnapink-950: #271416;
}

SCSS

$cinnapink: #a0676a;
$cinnapink-rgb: 160, 103, 106;
$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);
}