#0084CB

CSS

:root {
  --way-beyond-the-blue: #0084cb;
  --way-beyond-the-blue-rgb: 0 132 203;
  --way-beyond-the-blue-oklch: oklch(0.59 0.144 243.4);
}

.element {
  color: var(--way-beyond-the-blue);
  background-color: hsl(201 100% 40%);
  border-color: oklch(0.59 0.144 243.4);
}

Tailwind CSS v4

@theme {
  --color-way-beyond-the-blue: #0084cb;
  --color-way-beyond-the-blue-50: #d4faff;
  --color-way-beyond-the-blue-100: #c1eeff;
  --color-way-beyond-the-blue-200: #a0dbff;
  --color-way-beyond-the-blue-300: #76bffc;
  --color-way-beyond-the-blue-400: #45a7ec;
  --color-way-beyond-the-blue-500: #008ddd;
  --color-way-beyond-the-blue-600: #0078ba;
  --color-way-beyond-the-blue-700: #006096;
  --color-way-beyond-the-blue-800: #00476f;
  --color-way-beyond-the-blue-900: #00314e;
  --color-way-beyond-the-blue-950: #001d34;
}

SCSS

$way-beyond-the-blue: #0084cb;
$way-beyond-the-blue-rgb: 0, 132, 203;
$way-beyond-the-blue-light: mix(#fff, $way-beyond-the-blue, 20%);
$way-beyond-the-blue-dark: mix(#000, $way-beyond-the-blue, 20%);

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