Ice Blue

CSS

:root {
  --ice-blue: #739bd0;
  --ice-blue-rgb: 115 155 208;
  --ice-blue-oklch: oklch(0.681 0.09 255.7);
}

.element {
  color: var(--ice-blue);
  background-color: hsl(214 50% 63%);
  border-color: oklch(0.681 0.09 255.7);
}

Tailwind CSS v4

@theme {
  --color-ice-blue: #739bd0;
  --color-ice-blue-50: #e5f7ff;
  --color-ice-blue-100: #d6eaff;
  --color-ice-blue-200: #bdd6fb;
  --color-ice-blue-300: #9bb9e6;
  --color-ice-blue-400: #7ba1d4;
  --color-ice-blue-500: #5d88c1;
  --color-ice-blue-600: #4f73a3;
  --color-ice-blue-700: #3f5c83;
  --color-ice-blue-800: #2b4461;
  --color-ice-blue-900: #1d2f44;
  --color-ice-blue-950: #0d1b2c;
}

SCSS

$ice-blue: #739bd0;
$ice-blue-rgb: 115, 155, 208;
$ice-blue-light: mix(#fff, $ice-blue, 20%);
$ice-blue-dark: mix(#000, $ice-blue, 20%);

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