Parisian Blue

CSS

:root {
  --parisian-blue: #4f7ca4;
  --parisian-blue-rgb: 79 124 164;
  --parisian-blue-oklch: oklch(0.571 0.08 246.5);
}

.element {
  color: var(--parisian-blue);
  background-color: hsl(208 35% 48%);
  border-color: oklch(0.571 0.08 246.5);
}

Tailwind CSS v4

@theme {
  --color-parisian-blue: #4f7ca4;
  --color-parisian-blue-50: #e4f8ff;
  --color-parisian-blue-100: #d4ebff;
  --color-parisian-blue-200: #bbd8f5;
  --color-parisian-blue-300: #98bcdf;
  --color-parisian-blue-400: #78a3cb;
  --color-parisian-blue-500: #598bb8;
  --color-parisian-blue-600: #4c769b;
  --color-parisian-blue-700: #3c5e7d;
  --color-parisian-blue-800: #2a455c;
  --color-parisian-blue-900: #1c3040;
  --color-parisian-blue-950: #0c1c29;
}

SCSS

$parisian-blue: #4f7ca4;
$parisian-blue-rgb: 79, 124, 164;
$parisian-blue-light: mix(#fff, $parisian-blue, 20%);
$parisian-blue-dark: mix(#000, $parisian-blue, 20%);

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