Columbia Blue

CSS

:root {
  --columbia-blue: #9bddff;
  --columbia-blue-rgb: 155 221 255;
  --columbia-blue-oklch: oklch(0.865 0.082 231.3);
}

.element {
  color: var(--columbia-blue);
  background-color: hsl(200 100% 80%);
  border-color: oklch(0.865 0.082 231.3);
}

Tailwind CSS v4

@theme {
  --color-columbia-blue: #9bddff;
  --color-columbia-blue-50: #dffaff;
  --color-columbia-blue-100: #ceedff;
  --color-columbia-blue-200: #b3dbf2;
  --color-columbia-blue-300: #8ebfdb;
  --color-columbia-blue-400: #6ba7c6;
  --color-columbia-blue-500: #4790b3;
  --color-columbia-blue-600: #3d7a97;
  --color-columbia-blue-700: #306179;
  --color-columbia-blue-800: #214859;
  --color-columbia-blue-900: #16323e;
  --color-columbia-blue-950: #071e27;
}

SCSS

$columbia-blue: #9bddff;
$columbia-blue-rgb: 155, 221, 255;
$columbia-blue-light: mix(#fff, $columbia-blue, 20%);
$columbia-blue-dark: mix(#000, $columbia-blue, 20%);

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