#976871

CSS

:root {
  --cinnapink: #976871;
  --cinnapink-rgb: 151 104 113;
  --cinnapink-oklch: oklch(0.569 0.062 6.6);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(349 18% 50%);
  border-color: oklch(0.569 0.062 6.6);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #976871;
  --color-cinnapink-50: #ffeef1;
  --color-cinnapink-100: #fce0e4;
  --color-cinnapink-200: #edcacf;
  --color-cinnapink-300: #d5abb1;
  --color-cinnapink-400: #bf9098;
  --color-cinnapink-500: #aa757f;
  --color-cinnapink-600: #90636c;
  --color-cinnapink-700: #734f56;
  --color-cinnapink-800: #553940;
  --color-cinnapink-900: #3b272c;
  --color-cinnapink-950: #251519;
}

SCSS

$cinnapink: #976871;
$cinnapink-rgb: 151, 104, 113;
$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);
}