Flattering Blue

CSS

:root {
  --flattering-blue: #527e9c;
  --flattering-blue-rgb: 82 126 156;
  --flattering-blue-oklch: oklch(0.573 0.067 239.3);
}

.element {
  color: var(--flattering-blue);
  background-color: hsl(204 31% 47%);
  border-color: oklch(0.573 0.067 239.3);
}

Tailwind CSS v4

@theme {
  --color-flattering-blue: #527e9c;
  --color-flattering-blue-50: #e5f8ff;
  --color-flattering-blue-100: #d5ebfd;
  --color-flattering-blue-200: #bcd9ef;
  --color-flattering-blue-300: #99bcd7;
  --color-flattering-blue-400: #7aa4c2;
  --color-flattering-blue-500: #5b8dae;
  --color-flattering-blue-600: #4e7793;
  --color-flattering-blue-700: #3e5f76;
  --color-flattering-blue-800: #2b4657;
  --color-flattering-blue-900: #1d303d;
  --color-flattering-blue-950: #0d1d26;
}

SCSS

$flattering-blue: #527e9c;
$flattering-blue-rgb: 82, 126, 156;
$flattering-blue-light: mix(#fff, $flattering-blue, 20%);
$flattering-blue-dark: mix(#000, $flattering-blue, 20%);

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