Airy Blue

CSS

:root {
  --airy-blue: #88ccee;
  --airy-blue-rgb: 136 204 238;
  --airy-blue-oklch: oklch(0.812 0.084 230.8);
}

.element {
  color: var(--airy-blue);
  background-color: hsl(200 75% 73%);
  border-color: oklch(0.812 0.084 230.8);
}

Tailwind CSS v4

@theme {
  --color-airy-blue: #88ccee;
  --color-airy-blue-50: #dffaff;
  --color-airy-blue-100: #cdedff;
  --color-airy-blue-200: #b2dbf3;
  --color-airy-blue-300: #8cbfdc;
  --color-airy-blue-400: #69a8c7;
  --color-airy-blue-500: #4490b3;
  --color-airy-blue-600: #3b7a98;
  --color-airy-blue-700: #2f627a;
  --color-airy-blue-800: #1f4859;
  --color-airy-blue-900: #15323f;
  --color-airy-blue-950: #061e28;
}

SCSS

$airy-blue: #88ccee;
$airy-blue-rgb: 136, 204, 238;
$airy-blue-light: mix(#fff, $airy-blue, 20%);
$airy-blue-dark: mix(#000, $airy-blue, 20%);

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