Beguiling Blue

CSS

:root {
  --beguiling-blue: #5e6f8e;
  --beguiling-blue-rgb: 94 111 142;
  --beguiling-blue-oklch: oklch(0.54 0.053 262.3);
}

.element {
  color: var(--beguiling-blue);
  background-color: hsl(219 20% 46%);
  border-color: oklch(0.54 0.053 262.3);
}

Tailwind CSS v4

@theme {
  --color-beguiling-blue: #5e6f8e;
  --color-beguiling-blue-50: #eef5ff;
  --color-beguiling-blue-100: #dfe8fa;
  --color-beguiling-blue-200: #c9d5ec;
  --color-beguiling-blue-300: #aab8d3;
  --color-beguiling-blue-400: #8e9fbe;
  --color-beguiling-blue-500: #7387aa;
  --color-beguiling-blue-600: #627290;
  --color-beguiling-blue-700: #4e5b73;
  --color-beguiling-blue-800: #384355;
  --color-beguiling-blue-900: #262e3b;
  --color-beguiling-blue-950: #151b25;
}

SCSS

$beguiling-blue: #5e6f8e;
$beguiling-blue-rgb: 94, 111, 142;
$beguiling-blue-light: mix(#fff, $beguiling-blue, 20%);
$beguiling-blue-dark: mix(#000, $beguiling-blue, 20%);

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