Atomic Blue

CSS

:root {
  --atomic-blue: #0097c3;
  --atomic-blue-rgb: 0 151 195;
  --atomic-blue-oklch: oklch(0.631 0.123 227.5);
}

.element {
  color: var(--atomic-blue);
  background-color: hsl(194 100% 38%);
  border-color: oklch(0.631 0.123 227.5);
}

Tailwind CSS v4

@theme {
  --color-atomic-blue: #0097c3;
  --color-atomic-blue-50: #d2fdff;
  --color-atomic-blue-100: #bef1ff;
  --color-atomic-blue-200: #9ddfff;
  --color-atomic-blue-300: #70c3ea;
  --color-atomic-blue-400: #3cacd7;
  --color-atomic-blue-500: #0094c5;
  --color-atomic-blue-600: #007ea6;
  --color-atomic-blue-700: #006585;
  --color-atomic-blue-800: #004a62;
  --color-atomic-blue-900: #003445;
  --color-atomic-blue-950: #001f2d;
}

SCSS

$atomic-blue: #0097c3;
$atomic-blue-rgb: 0, 151, 195;
$atomic-blue-light: mix(#fff, $atomic-blue, 20%);
$atomic-blue-dark: mix(#000, $atomic-blue, 20%);

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