#9F676C

CSS

:root {
  --cinnapink: #9f676c;
  --cinnapink-rgb: 159 103 108;
  --cinnapink-oklch: oklch(0.575 0.072 13.7);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(355 23% 51%);
  border-color: oklch(0.575 0.072 13.7);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #9f676c;
  --color-cinnapink-50: #ffedee;
  --color-cinnapink-100: #ffdfe0;
  --color-cinnapink-200: #f2c8ca;
  --color-cinnapink-300: #daa9ab;
  --color-cinnapink-400: #c58d92;
  --color-cinnapink-500: #b17278;
  --color-cinnapink-600: #956165;
  --color-cinnapink-700: #784d51;
  --color-cinnapink-800: #59383c;
  --color-cinnapink-900: #3e2629;
  --color-cinnapink-950: #271417;
}

SCSS

$cinnapink: #9f676c;
$cinnapink-rgb: 159, 103, 108;
$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);
}