#9A6A6E

CSS

:root {
  --cinnapink: #9a6a6e;
  --cinnapink-rgb: 154 106 110;
  --cinnapink-oklch: oklch(0.575 0.062 13.7);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(355 19% 51%);
  border-color: oklch(0.575 0.062 13.7);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9a6a6e;
  --color-cinnapink-50: #ffeeef;
  --color-cinnapink-100: #fce0e1;
  --color-cinnapink-200: #eecacb;
  --color-cinnapink-300: #d5abad;
  --color-cinnapink-400: #c09093;
  --color-cinnapink-500: #ab757a;
  --color-cinnapink-600: #916467;
  --color-cinnapink-700: #744f52;
  --color-cinnapink-800: #563a3d;
  --color-cinnapink-900: #3c272a;
  --color-cinnapink-950: #251517;
}

SCSS

$cinnapink: #9a6a6e;
$cinnapink-rgb: 154, 106, 110;
$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);
}