#008BFF

CSS

:root {
  --too-blue-to-be-true: #008bff;
  --too-blue-to-be-true-rgb: 0 139 255;
  --too-blue-to-be-true-oklch: oklch(0.638 0.198 253.3);
}

.element {
  color: var(--too-blue-to-be-true);
  background-color: hsl(207 100% 50%);
  border-color: oklch(0.638 0.198 253.3);
}

Tailwind CSS v4

@theme {
  --color-too-blue-to-be-true: #008bff;
  --color-too-blue-to-be-true-50: #d0f9ff;
  --color-too-blue-to-be-true-100: #bcebff;
  --color-too-blue-to-be-true-200: #9ad8ff;
  --color-too-blue-to-be-true-300: #6dbaff;
  --color-too-blue-to-be-true-400: #36a0ff;
  --color-too-blue-to-be-true-500: #0083ff;
  --color-too-blue-to-be-true-600: #0070db;
  --color-too-blue-to-be-true-700: #0059b0;
  --color-too-blue-to-be-true-800: #004283;
  --color-too-blue-to-be-true-900: #002e5d;
  --color-too-blue-to-be-true-950: #001a40;
}

SCSS

$too-blue-to-be-true: #008bff;
$too-blue-to-be-true-rgb: 0, 139, 255;
$too-blue-to-be-true-light: mix(#fff, $too-blue-to-be-true, 20%);
$too-blue-to-be-true-dark: mix(#000, $too-blue-to-be-true, 20%);

.element {
  color: $too-blue-to-be-true;
  box-shadow: 0 0 0 2px rgba($too-blue-to-be-true, 0.35);
}