#FD678F

CSS

:root {
  --blush-hour: #fd678f;
  --blush-hour-rgb: 253 103 143;
  --blush-hour-oklch: oklch(0.712 0.185 6.6);
}

.element {
  color: var(--blush-hour);
  background-color: hsl(344 97% 70%);
  border-color: oklch(0.712 0.185 6.6);
}

Tailwind CSS v4

@theme {
  --color-blush-hour: #fd678f;
  --color-blush-hour-50: #ffe0ea;
  --color-blush-hour-100: #ffcfdb;
  --color-blush-hour-200: #ffb2c4;
  --color-blush-hour-300: #ff8ca4;
  --color-blush-hour-400: #f5678c;
  --color-blush-hour-500: #e33d72;
  --color-blush-hour-600: #c03661;
  --color-blush-hour-700: #9a2b4d;
  --color-blush-hour-800: #731d3a;
  --color-blush-hour-900: #511428;
  --color-blush-hour-950: #360416;
}

SCSS

$blush-hour: #fd678f;
$blush-hour-rgb: 253, 103, 143;
$blush-hour-light: mix(#fff, $blush-hour, 20%);
$blush-hour-dark: mix(#000, $blush-hour, 20%);

.element {
  color: $blush-hour;
  box-shadow: 0 0 0 2px rgba($blush-hour, 0.35);
}