#47A2DE

CSS

:root {
  --high-blue: #47a2de;
  --high-blue-rgb: 71 162 222;
  --high-blue-oklch: oklch(0.683 0.124 240.9);
}

.element {
  color: var(--high-blue);
  background-color: hsl(204 70% 57%);
  border-color: oklch(0.683 0.124 240.9);
}

Tailwind CSS v4

@theme {
  --color-high-blue: #47a2de;
  --color-high-blue-50: #d8faff;
  --color-high-blue-100: #c5eeff;
  --color-high-blue-200: #a6dbff;
  --color-high-blue-300: #7ebff2;
  --color-high-blue-400: #53a7e0;
  --color-high-blue-500: #1c8fd0;
  --color-high-blue-600: #1c79af;
  --color-high-blue-700: #17618d;
  --color-high-blue-800: #0a4768;
  --color-high-blue-900: #073149;
  --color-high-blue-950: #001d30;
}

SCSS

$high-blue: #47a2de;
$high-blue-rgb: 71, 162, 222;
$high-blue-light: mix(#fff, $high-blue, 20%);
$high-blue-dark: mix(#000, $high-blue, 20%);

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