#AA5C76

CSS

:root {
  --cinnapink: #aa5c76;
  --cinnapink-rgb: 170 92 118;
  --cinnapink-oklch: oklch(0.573 0.106 359.7);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(340 31% 51%);
  border-color: oklch(0.573 0.106 359.7);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #aa5c76;
  --color-cinnapink-50: #ffe9f3;
  --color-cinnapink-100: #ffdae5;
  --color-cinnapink-200: #fcc2d1;
  --color-cinnapink-300: #e6a1b3;
  --color-cinnapink-400: #d2849c;
  --color-cinnapink-500: #be6684;
  --color-cinnapink-600: #a0576f;
  --color-cinnapink-700: #814559;
  --color-cinnapink-800: #5f3242;
  --color-cinnapink-900: #43222e;
  --color-cinnapink-950: #2b111b;
}

SCSS

$cinnapink: #aa5c76;
$cinnapink-rgb: 170, 92, 118;
$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);
}