#3270EC

CSS

:root {
  --deep-sky-blue: #3270ec;
  --deep-sky-blue-rgb: 50 112 236;
  --deep-sky-blue-oklch: oklch(0.576 0.198 262.2);
}

.element {
  color: var(--deep-sky-blue);
  background-color: hsl(220 83% 56%);
  border-color: oklch(0.576 0.198 262.2);
}

Tailwind CSS v4

@theme {
  --color-deep-sky-blue: #3270ec;
  --color-deep-sky-blue-50: #d9f5ff;
  --color-deep-sky-blue-100: #c7e8ff;
  --color-deep-sky-blue-200: #a9d3ff;
  --color-deep-sky-blue-300: #83b4ff;
  --color-deep-sky-blue-400: #5b99ff;
  --color-deep-sky-blue-500: #367bff;
  --color-deep-sky-blue-600: #2f69dd;
  --color-deep-sky-blue-700: #2554b2;
  --color-deep-sky-blue-800: #133e85;
  --color-deep-sky-blue-900: #0c2b5e;
  --color-deep-sky-blue-950: #021741;
}

SCSS

$deep-sky-blue: #3270ec;
$deep-sky-blue-rgb: 50, 112, 236;
$deep-sky-blue-light: mix(#fff, $deep-sky-blue, 20%);
$deep-sky-blue-dark: mix(#000, $deep-sky-blue, 20%);

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