#FE6E91

CSS

:root {
  --blush-hour: #fe6e91;
  --blush-hour-rgb: 254 110 145;
  --blush-hour-oklch: oklch(0.722 0.178 7.5);
}

.element {
  color: var(--blush-hour);
  background-color: hsl(345 99% 71%);
  border-color: oklch(0.722 0.178 7.5);
}

Tailwind CSS v4

@theme {
  --color-blush-hour: #fe6e91;
  --color-blush-hour-50: #ffe1ea;
  --color-blush-hour-100: #ffd0db;
  --color-blush-hour-200: #ffb4c4;
  --color-blush-hour-300: #ff8ea3;
  --color-blush-hour-400: #f26b8b;
  --color-blush-hour-500: #e04371;
  --color-blush-hour-600: #bd3a5f;
  --color-blush-hour-700: #982e4c;
  --color-blush-hour-800: #712039;
  --color-blush-hour-900: #501527;
  --color-blush-hour-950: #350615;
}

SCSS

$blush-hour: #fe6e91;
$blush-hour-rgb: 254, 110, 145;
$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);
}