Etherium Blue

CSS

:root {
  --etherium-blue: #b9c4de;
  --etherium-blue-rgb: 185 196 222;
  --etherium-blue-oklch: oklch(0.82 0.039 267.3);
}

.element {
  color: var(--etherium-blue);
  background-color: hsl(222 36% 80%);
  border-color: oklch(0.82 0.039 267.3);
}

Tailwind CSS v4

@theme {
  --color-etherium-blue: #b9c4de;
  --color-etherium-blue-50: #f0f5ff;
  --color-etherium-blue-100: #e2e8f5;
  --color-etherium-blue-200: #cdd4e5;
  --color-etherium-blue-300: #afb7cc;
  --color-etherium-blue-400: #949eb6;
  --color-etherium-blue-500: #7b86a0;
  --color-etherium-blue-600: #687188;
  --color-etherium-blue-700: #535b6d;
  --color-etherium-blue-800: #3c4250;
  --color-etherium-blue-900: #292e38;
  --color-etherium-blue-950: #171b22;
}

SCSS

$etherium-blue: #b9c4de;
$etherium-blue-rgb: 185, 196, 222;
$etherium-blue-light: mix(#fff, $etherium-blue, 20%);
$etherium-blue-dark: mix(#000, $etherium-blue, 20%);

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