Blue-Collar

CSS

:root {
  --blue-collar: #005f7a;
  --blue-collar-rgb: 0 95 122;
  --blue-collar-oklch: oklch(0.452 0.086 225.7);
}

.element {
  color: var(--blue-collar);
  background-color: hsl(193 100% 24%);
  border-color: oklch(0.452 0.086 225.7);
}

Tailwind CSS v4

@theme {
  --color-blue-collar: #005f7a;
  --color-blue-collar-50: #ddfbff;
  --color-blue-collar-100: #cbeeff;
  --color-blue-collar-200: #aedcf1;
  --color-blue-collar-300: #88c1da;
  --color-blue-collar-400: #63a9c5;
  --color-blue-collar-500: #3b92b1;
  --color-blue-collar-600: #337b96;
  --color-blue-collar-700: #296378;
  --color-blue-collar-800: #1b4958;
  --color-blue-collar-900: #12323e;
  --color-blue-collar-950: #041e27;
}

SCSS

$blue-collar: #005f7a;
$blue-collar-rgb: 0, 95, 122;
$blue-collar-light: mix(#fff, $blue-collar, 20%);
$blue-collar-dark: mix(#000, $blue-collar, 20%);

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