Superior Blue

CSS

:root {
  --superior-blue: #3a5e73;
  --superior-blue-rgb: 58 94 115;
  --superior-blue-oklch: oklch(0.464 0.054 235.2);
}

.element {
  color: var(--superior-blue);
  background-color: hsl(202 33% 34%);
  border-color: oklch(0.464 0.054 235.2);
}

Tailwind CSS v4

@theme {
  --color-superior-blue: #3a5e73;
  --color-superior-blue-50: #e8f8ff;
  --color-superior-blue-100: #d8ebf8;
  --color-superior-blue-200: #c0d8e9;
  --color-superior-blue-300: #9ebcd0;
  --color-superior-blue-400: #80a4ba;
  --color-superior-blue-500: #638ca5;
  --color-superior-blue-600: #54778b;
  --color-superior-blue-700: #435f70;
  --color-superior-blue-800: #2f4652;
  --color-superior-blue-900: #203039;
  --color-superior-blue-950: #101c24;
}

SCSS

$superior-blue: #3a5e73;
$superior-blue-rgb: 58, 94, 115;
$superior-blue-light: mix(#fff, $superior-blue, 20%);
$superior-blue-dark: mix(#000, $superior-blue, 20%);

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