Neutrino Blue

CSS

:root {
  --neutrino-blue: #01248f;
  --neutrino-blue-rgb: 1 36 143;
  --neutrino-blue-oklch: oklch(0.333 0.177 263.7);
}

.element {
  color: var(--neutrino-blue);
  background-color: hsl(225 99% 28%);
  border-color: oklch(0.333 0.177 263.7);
}

Tailwind CSS v4

@theme {
  --color-neutrino-blue: #01248f;
  --color-neutrino-blue-50: #ddf5ff;
  --color-neutrino-blue-100: #cce7ff;
  --color-neutrino-blue-200: #b0d3ff;
  --color-neutrino-blue-300: #8cb4ff;
  --color-neutrino-blue-400: #679aff;
  --color-neutrino-blue-500: #467dfa;
  --color-neutrino-blue-600: #3c6ad2;
  --color-neutrino-blue-700: #3055a9;
  --color-neutrino-blue-800: #1d3f7f;
  --color-neutrino-blue-900: #132b5a;
  --color-neutrino-blue-950: #05183d;
}

SCSS

$neutrino-blue: #01248f;
$neutrino-blue-rgb: 1, 36, 143;
$neutrino-blue-light: mix(#fff, $neutrino-blue, 20%);
$neutrino-blue-dark: mix(#000, $neutrino-blue, 20%);

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