#38A2E9

CSS

:root {
  --high-blue: #38a2e9;
  --high-blue-rgb: 56 162 233;
  --high-blue-oklch: oklch(0.684 0.141 242.7);
}

.element {
  color: var(--high-blue);
  background-color: hsl(204 80% 57%);
  border-color: oklch(0.684 0.141 242.7);
}

Tailwind CSS v4

@theme {
  --color-high-blue: #38a2e9;
  --color-high-blue-50: #d4faff;
  --color-high-blue-100: #c1eeff;
  --color-high-blue-200: #a1dbff;
  --color-high-blue-300: #76bffb;
  --color-high-blue-400: #46a7ea;
  --color-high-blue-500: #008edb;
  --color-high-blue-600: #0078b9;
  --color-high-blue-700: #006094;
  --color-high-blue-800: #00476e;
  --color-high-blue-900: #00314d;
  --color-high-blue-950: #001d33;
}

SCSS

$high-blue: #38a2e9;
$high-blue-rgb: 56, 162, 233;
$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);
}