#AA5D74

CSS

:root {
  --cinnapink: #aa5d74;
  --cinnapink-rgb: 170 93 116;
  --cinnapink-oklch: oklch(0.574 0.103 1.7);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(342 31% 52%);
  border-color: oklch(0.574 0.103 1.7);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #aa5d74;
  --color-cinnapink-50: #ffeaf2;
  --color-cinnapink-100: #ffdae4;
  --color-cinnapink-200: #fcc2cf;
  --color-cinnapink-300: #e5a2b1;
  --color-cinnapink-400: #d1849a;
  --color-cinnapink-500: #bd6781;
  --color-cinnapink-600: #a0586d;
  --color-cinnapink-700: #814657;
  --color-cinnapink-800: #5f3241;
  --color-cinnapink-900: #43222d;
  --color-cinnapink-950: #2b111a;
}

SCSS

$cinnapink: #aa5d74;
$cinnapink-rgb: 170, 93, 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);
}