Weathered Blue

CSS

:root {
  --weathered-blue: #d2e2f2;
  --weathered-blue-rgb: 210 226 242;
  --weathered-blue-oklch: oklch(0.906 0.028 248.1);
}

.element {
  color: var(--weathered-blue);
  background-color: hsl(210 55% 89%);
  border-color: oklch(0.906 0.028 248.1);
}

Tailwind CSS v4

@theme {
  --color-weathered-blue: #d2e2f2;
  --color-weathered-blue-50: #eff6fd;
  --color-weathered-blue-100: #e1e9f1;
  --color-weathered-blue-200: #ccd5e0;
  --color-weathered-blue-300: #adb9c5;
  --color-weathered-blue-400: #92a0af;
  --color-weathered-blue-500: #788898;
  --color-weathered-blue-600: #667381;
  --color-weathered-blue-700: #515c67;
  --color-weathered-blue-800: #3b444c;
  --color-weathered-blue-900: #282f35;
  --color-weathered-blue-950: #161b20;
}

SCSS

$weathered-blue: #d2e2f2;
$weathered-blue-rgb: 210, 226, 242;
$weathered-blue-light: mix(#fff, $weathered-blue, 20%);
$weathered-blue-dark: mix(#000, $weathered-blue, 20%);

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