Blue Bubble

CSS

:root {
  --blue-bubble: #a6d7eb;
  --blue-bubble-rgb: 166 215 235;
  --blue-bubble-oklch: oklch(0.851 0.058 224.9);
}

.element {
  color: var(--blue-bubble);
  background-color: hsl(197 63% 79%);
  border-color: oklch(0.851 0.058 224.9);
}

Tailwind CSS v4

@theme {
  --color-blue-bubble: #a6d7eb;
  --color-blue-bubble-50: #e5f9ff;
  --color-blue-bubble-100: #d5ecf7;
  --color-blue-bubble-200: #bbdae8;
  --color-blue-bubble-300: #99becf;
  --color-blue-bubble-400: #79a6b8;
  --color-blue-bubble-500: #5a8fa3;
  --color-blue-bubble-600: #4d798a;
  --color-blue-bubble-700: #3d616e;
  --color-blue-bubble-800: #2b4751;
  --color-blue-bubble-900: #1d3138;
  --color-blue-bubble-950: #0d1d23;
}

SCSS

$blue-bubble: #a6d7eb;
$blue-bubble-rgb: 166, 215, 235;
$blue-bubble-light: mix(#fff, $blue-bubble, 20%);
$blue-bubble-dark: mix(#000, $blue-bubble, 20%);

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