#A36176

CSS

:root {
  --cinnapink: #a36176;
  --cinnapink-rgb: 163 97 118;
  --cinnapink-oklch: oklch(0.572 0.089 359.8);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(341 26% 51%);
  border-color: oklch(0.572 0.089 359.8);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a36176;
  --color-cinnapink-50: #ffebf3;
  --color-cinnapink-100: #ffdce5;
  --color-cinnapink-200: #f6c5d1;
  --color-cinnapink-300: #dfa5b4;
  --color-cinnapink-400: #cb889c;
  --color-cinnapink-500: #b66c84;
  --color-cinnapink-600: #9a5c70;
  --color-cinnapink-700: #7c4959;
  --color-cinnapink-800: #5b3542;
  --color-cinnapink-900: #40242e;
  --color-cinnapink-950: #29131b;
}

SCSS

$cinnapink: #a36176;
$cinnapink-rgb: 163, 97, 118;
$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);
}