Iron Blue

CSS

:root {
  --iron-blue: #114b91;
  --iron-blue-rgb: 17 75 145;
  --iron-blue-oklch: oklch(0.419 0.129 256.2);
}

.element {
  color: var(--iron-blue);
  background-color: hsl(213 79% 32%);
  border-color: oklch(0.419 0.129 256.2);
}

Tailwind CSS v4

@theme {
  --color-iron-blue: #114b91;
  --color-iron-blue-50: #dff7ff;
  --color-iron-blue-100: #ceeaff;
  --color-iron-blue-200: #b2d6ff;
  --color-iron-blue-300: #8eb9f9;
  --color-iron-blue-400: #6aa0ea;
  --color-iron-blue-500: #4887da;
  --color-iron-blue-600: #3e72b8;
  --color-iron-blue-700: #315b94;
  --color-iron-blue-800: #20436e;
  --color-iron-blue-900: #152f4d;
  --color-iron-blue-950: #061b33;
}

SCSS

$iron-blue: #114b91;
$iron-blue-rgb: 17, 75, 145;
$iron-blue-light: mix(#fff, $iron-blue, 20%);
$iron-blue-dark: mix(#000, $iron-blue, 20%);

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