#A06464

CSS

:root {
  --cinnapink: #a06464;
  --cinnapink-rgb: 160 100 100;
  --cinnapink-oklch: oklch(0.569 0.078 19.8);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(0 24% 51%);
  border-color: oklch(0.569 0.078 19.8);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a06464;
  --color-cinnapink-50: #ffedeb;
  --color-cinnapink-100: #ffdedc;
  --color-cinnapink-200: #f4c8c5;
  --color-cinnapink-300: #dda8a6;
  --color-cinnapink-400: #c98c8b;
  --color-cinnapink-500: #b47171;
  --color-cinnapink-600: #986060;
  --color-cinnapink-700: #7a4c4c;
  --color-cinnapink-800: #5a3738;
  --color-cinnapink-900: #3f2626;
  --color-cinnapink-950: #281415;
}

SCSS

$cinnapink: #a06464;
$cinnapink-rgb: 160, 100, 100;
$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);
}