Strong Blue

CSS

:root {
  --strong-blue: #0c06f7;
  --strong-blue-rgb: 12 6 247;
  --strong-blue-oklch: oklch(0.445 0.303 264.9);
}

.element {
  color: var(--strong-blue);
  background-color: hsl(241 95% 50%);
  border-color: oklch(0.445 0.303 264.9);
}

Tailwind CSS v4

@theme {
  --color-strong-blue: #0c06f7;
  --color-strong-blue-50: #cef3ff;
  --color-strong-blue-100: #bae4ff;
  --color-strong-blue-200: #9accff;
  --color-strong-blue-300: #72a9ff;
  --color-strong-blue-400: #4287ff;
  --color-strong-blue-500: #1f5bff;
  --color-strong-blue-600: #1b50ff;
  --color-strong-blue-700: #1540df;
  --color-strong-blue-800: #002fa8;
  --color-strong-blue-900: #002178;
  --color-strong-blue-950: #000c55;
}

SCSS

$strong-blue: #0c06f7;
$strong-blue-rgb: 12, 6, 247;
$strong-blue-light: mix(#fff, $strong-blue, 20%);
$strong-blue-dark: mix(#000, $strong-blue, 20%);

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