Jester Blue

CSS

:root {
  --jester-blue: #216879;
  --jester-blue-rgb: 33 104 121;
  --jester-blue-oklch: oklch(0.481 0.073 217);
}

.element {
  color: var(--jester-blue);
  background-color: hsl(192 57% 30%);
  border-color: oklch(0.481 0.073 217);
}

Tailwind CSS v4

@theme {
  --color-jester-blue: #216879;
  --color-jester-blue-50: #dffbff;
  --color-jester-blue-100: #ceeef9;
  --color-jester-blue-200: #b2dcea;
  --color-jester-blue-300: #8dc1d1;
  --color-jester-blue-400: #6aaabb;
  --color-jester-blue-500: #4692a6;
  --color-jester-blue-600: #3c7c8c;
  --color-jester-blue-700: #306370;
  --color-jester-blue-800: #214952;
  --color-jester-blue-900: #163339;
  --color-jester-blue-950: #061e24;
}

SCSS

$jester-blue: #216879;
$jester-blue-rgb: 33, 104, 121;
$jester-blue-light: mix(#fff, $jester-blue, 20%);
$jester-blue-dark: mix(#000, $jester-blue, 20%);

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