Boy Blue

CSS

:root {
  --boy-blue: #8cacd6;
  --boy-blue-rgb: 140 172 214;
  --boy-blue-oklch: oklch(0.736 0.071 255.4);
}

.element {
  color: var(--boy-blue);
  background-color: hsl(214 47% 69%);
  border-color: oklch(0.736 0.071 255.4);
}

Tailwind CSS v4

@theme {
  --color-boy-blue: #8cacd6;
  --color-boy-blue-50: #e9f6ff;
  --color-boy-blue-100: #d9e9ff;
  --color-boy-blue-200: #c2d6f3;
  --color-boy-blue-300: #a1b9dc;
  --color-boy-blue-400: #83a1c8;
  --color-boy-blue-500: #6688b5;
  --color-boy-blue-600: #577399;
  --color-boy-blue-700: #455c7a;
  --color-boy-blue-800: #31445a;
  --color-boy-blue-900: #212f3f;
  --color-boy-blue-950: #101b28;
}

SCSS

$boy-blue: #8cacd6;
$boy-blue-rgb: 140, 172, 214;
$boy-blue-light: mix(#fff, $boy-blue, 20%);
$boy-blue-dark: mix(#000, $boy-blue, 20%);

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