#44A2E0

CSS

:root {
  --high-blue: #44a2e0;
  --high-blue-rgb: 68 162 224;
  --high-blue-oklch: oklch(0.683 0.127 241.2);
}

.element {
  color: var(--high-blue);
  background-color: hsl(204 72% 57%);
  border-color: oklch(0.683 0.127 241.2);
}

Tailwind CSS v4

@theme {
  --color-high-blue: #44a2e0;
  --color-high-blue-50: #d7faff;
  --color-high-blue-100: #c4eeff;
  --color-high-blue-200: #a5dbff;
  --color-high-blue-300: #7cbff3;
  --color-high-blue-400: #50a7e2;
  --color-high-blue-500: #158ed2;
  --color-high-blue-600: #1879b1;
  --color-high-blue-700: #14618e;
  --color-high-blue-800: #064769;
  --color-high-blue-900: #05314a;
  --color-high-blue-950: #001d31;
}

SCSS

$high-blue: #44a2e0;
$high-blue-rgb: 68, 162, 224;
$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);
}