#976B73

CSS

:root {
  --cinnapink: #976b73;
  --cinnapink-rgb: 151 107 115;
  --cinnapink-oklch: oklch(0.575 0.057 7);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(349 17% 51%);
  border-color: oklch(0.575 0.057 7);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #976b73;
  --color-cinnapink-50: #ffeff2;
  --color-cinnapink-100: #fae0e4;
  --color-cinnapink-200: #ebcbcf;
  --color-cinnapink-300: #d3acb1;
  --color-cinnapink-400: #bd9198;
  --color-cinnapink-500: #a87780;
  --color-cinnapink-600: #8e646c;
  --color-cinnapink-700: #725056;
  --color-cinnapink-800: #543a40;
  --color-cinnapink-900: #3a282c;
  --color-cinnapink-950: #241619;
}

SCSS

$cinnapink: #976b73;
$cinnapink-rgb: 151, 107, 115;
$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);
}