Joust Blue

CSS

:root {
  --joust-blue: #55aaff;
  --joust-blue-rgb: 85 170 255;
  --joust-blue-oklch: oklch(0.723 0.149 250.6);
}

.element {
  color: var(--joust-blue);
  background-color: hsl(210 100% 67%);
  border-color: oklch(0.723 0.149 250.6);
}

Tailwind CSS v4

@theme {
  --color-joust-blue: #55aaff;
  --color-joust-blue-50: #d7f9ff;
  --color-joust-blue-100: #c5ecff;
  --color-joust-blue-200: #a6d9ff;
  --color-joust-blue-300: #7ebcff;
  --color-joust-blue-400: #53a3f3;
  --color-joust-blue-500: #2189e4;
  --color-joust-blue-600: #2074c0;
  --color-joust-blue-700: #195d9b;
  --color-joust-blue-800: #0a4573;
  --color-joust-blue-900: #073051;
  --color-joust-blue-950: #001c36;
}

SCSS

$joust-blue: #55aaff;
$joust-blue-rgb: 85, 170, 255;
$joust-blue-light: mix(#fff, $joust-blue, 20%);
$joust-blue-dark: mix(#000, $joust-blue, 20%);

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