#0088DB

CSS

:root {
  --way-beyond-the-blue: #0088db;
  --way-beyond-the-blue-rgb: 0 136 219;
  --way-beyond-the-blue-oklch: oklch(0.609 0.158 246.5);
}

.element {
  color: var(--way-beyond-the-blue);
  background-color: hsl(203 100% 43%);
  border-color: oklch(0.609 0.158 246.5);
}

Tailwind CSS v4

@theme {
  --color-way-beyond-the-blue: #0088db;
  --color-way-beyond-the-blue-50: #d3faff;
  --color-way-beyond-the-blue-100: #bfedff;
  --color-way-beyond-the-blue-200: #9edaff;
  --color-way-beyond-the-blue-300: #73beff;
  --color-way-beyond-the-blue-400: #40a5f6;
  --color-way-beyond-the-blue-500: #008be7;
  --color-way-beyond-the-blue-600: #0076c3;
  --color-way-beyond-the-blue-700: #005e9d;
  --color-way-beyond-the-blue-800: #004675;
  --color-way-beyond-the-blue-900: #003052;
  --color-way-beyond-the-blue-950: #001c37;
}

SCSS

$way-beyond-the-blue: #0088db;
$way-beyond-the-blue-rgb: 0, 136, 219;
$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);
}