#9E6474

CSS

:root {
  --cinnapink: #9e6474;
  --cinnapink-rgb: 158 100 116;
  --cinnapink-oklch: oklch(0.571 0.078 1.9);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(343 23% 51%);
  border-color: oklch(0.571 0.078 1.9);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9e6474;
  --color-cinnapink-50: #ffecf2;
  --color-cinnapink-100: #ffdee5;
  --color-cinnapink-200: #f2c7d0;
  --color-cinnapink-300: #dba7b3;
  --color-cinnapink-400: #c68b9b;
  --color-cinnapink-500: #b17082;
  --color-cinnapink-600: #965f6e;
  --color-cinnapink-700: #784c58;
  --color-cinnapink-800: #593741;
  --color-cinnapink-900: #3e252d;
  --color-cinnapink-950: #27141a;
}

SCSS

$cinnapink: #9e6474;
$cinnapink-rgb: 158, 100, 116;
$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);
}