#976B6F

CSS

:root {
  --cinnapink: #976b6f;
  --cinnapink-rgb: 151 107 111;
  --cinnapink-oklch: oklch(0.574 0.057 13);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(355 17% 51%);
  border-color: oklch(0.574 0.057 13);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #976b6f;
  --color-cinnapink-50: #ffeff0;
  --color-cinnapink-100: #fae1e2;
  --color-cinnapink-200: #eccbcc;
  --color-cinnapink-300: #d3acae;
  --color-cinnapink-400: #bd9195;
  --color-cinnapink-500: #a8777b;
  --color-cinnapink-600: #8e6569;
  --color-cinnapink-700: #725054;
  --color-cinnapink-800: #543a3d;
  --color-cinnapink-900: #3b282a;
  --color-cinnapink-950: #251618;
}

SCSS

$cinnapink: #976b6f;
$cinnapink-rgb: 151, 107, 111;
$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);
}