#A26273

CSS

:root {
  --cinnapink: #a26273;
  --cinnapink-rgb: 162 98 115;
  --cinnapink-oklch: oklch(0.572 0.085 3);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(344 26% 51%);
  border-color: oklch(0.572 0.085 3);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #a26273;
  --color-cinnapink-50: #ffecf2;
  --color-cinnapink-100: #ffdde4;
  --color-cinnapink-200: #f5c6cf;
  --color-cinnapink-300: #dea6b1;
  --color-cinnapink-400: #ca8999;
  --color-cinnapink-500: #b56d81;
  --color-cinnapink-600: #995d6d;
  --color-cinnapink-700: #7b4a57;
  --color-cinnapink-800: #5b3641;
  --color-cinnapink-900: #40252c;
  --color-cinnapink-950: #28131a;
}

SCSS

$cinnapink: #a26273;
$cinnapink-rgb: 162, 98, 115;
$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);
}