#A0676B

CSS

:root {
  --cinnapink: #a0676b;
  --cinnapink-rgb: 160 103 107;
  --cinnapink-oklch: oklch(0.576 0.074 15);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(356 23% 52%);
  border-color: oklch(0.576 0.074 15);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a0676b;
  --color-cinnapink-50: #ffeded;
  --color-cinnapink-100: #ffdfdf;
  --color-cinnapink-200: #f2c8c9;
  --color-cinnapink-300: #dba9aa;
  --color-cinnapink-400: #c68d90;
  --color-cinnapink-500: #b27276;
  --color-cinnapink-600: #966164;
  --color-cinnapink-700: #784d50;
  --color-cinnapink-800: #59383b;
  --color-cinnapink-900: #3e2628;
  --color-cinnapink-950: #271416;
}

SCSS

$cinnapink: #a0676b;
$cinnapink-rgb: 160, 103, 107;
$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);
}