Blue Nebula

CSS

:root {
  --blue-nebula: #1199ff;
  --blue-nebula-rgb: 17 153 255;
  --blue-nebula-oklch: oklch(0.67 0.182 249.4);
}

.element {
  color: var(--blue-nebula);
  background-color: hsl(206 100% 53%);
  border-color: oklch(0.67 0.182 249.4);
}

Tailwind CSS v4

@theme {
  --color-blue-nebula: #1199ff;
  --color-blue-nebula-50: #cffaff;
  --color-blue-nebula-100: #bbedff;
  --color-blue-nebula-200: #99daff;
  --color-blue-nebula-300: #6cbcff;
  --color-blue-nebula-400: #32a3ff;
  --color-blue-nebula-500: #0088f8;
  --color-blue-nebula-600: #0073d1;
  --color-blue-nebula-700: #005ca8;
  --color-blue-nebula-800: #00447d;
  --color-blue-nebula-900: #002f58;
  --color-blue-nebula-950: #001b3c;
}

SCSS

$blue-nebula: #1199ff;
$blue-nebula-rgb: 17, 153, 255;
$blue-nebula-light: mix(#fff, $blue-nebula, 20%);
$blue-nebula-dark: mix(#000, $blue-nebula, 20%);

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