Amparo Blue

CSS

:root {
  --amparo-blue: #556cb5;
  --amparo-blue-rgb: 85 108 181;
  --amparo-blue-oklch: oklch(0.547 0.117 269.1);
}

.element {
  color: var(--amparo-blue);
  background-color: hsl(226 39% 52%);
  border-color: oklch(0.547 0.117 269.1);
}

Tailwind CSS v4

@theme {
  --color-amparo-blue: #556cb5;
  --color-amparo-blue-50: #e8f4ff;
  --color-amparo-blue-100: #d9e7ff;
  --color-amparo-blue-200: #c1d2ff;
  --color-amparo-blue-300: #a1b4f4;
  --color-amparo-blue-400: #829be4;
  --color-amparo-blue-500: #6781d4;
  --color-amparo-blue-600: #576db3;
  --color-amparo-blue-700: #45578f;
  --color-amparo-blue-800: #30406b;
  --color-amparo-blue-900: #212c4b;
  --color-amparo-blue-950: #101932;
}

SCSS

$amparo-blue: #556cb5;
$amparo-blue-rgb: 85, 108, 181;
$amparo-blue-light: mix(#fff, $amparo-blue, 20%);
$amparo-blue-dark: mix(#000, $amparo-blue, 20%);

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