Ozone Blue

CSS

:root {
  --ozone-blue: #c7d3e0;
  --ozone-blue-rgb: 199 211 224;
  --ozone-blue-oklch: oklch(0.862 0.022 250.2);
}

.element {
  color: var(--ozone-blue);
  background-color: hsl(211 29% 83%);
  border-color: oklch(0.862 0.022 250.2);
}

Tailwind CSS v4

@theme {
  --color-ozone-blue: #c7d3e0;
  --color-ozone-blue-50: #f1f6fb;
  --color-ozone-blue-100: #e3e8ef;
  --color-ozone-blue-200: #ced5de;
  --color-ozone-blue-300: #afb8c3;
  --color-ozone-blue-400: #95a0ab;
  --color-ozone-blue-500: #7b8895;
  --color-ozone-blue-600: #69737e;
  --color-ozone-blue-700: #545c65;
  --color-ozone-blue-800: #3d434a;
  --color-ozone-blue-900: #2a2e33;
  --color-ozone-blue-950: #171b1f;
}

SCSS

$ozone-blue: #c7d3e0;
$ozone-blue-rgb: 199, 211, 224;
$ozone-blue-light: mix(#fff, $ozone-blue, 20%);
$ozone-blue-dark: mix(#000, $ozone-blue, 20%);

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