Yacht Blue

CSS

:root {
  --yacht-blue: #679bb3;
  --yacht-blue-rgb: 103 155 179;
  --yacht-blue-oklch: oklch(0.662 0.066 228.7);
}

.element {
  color: var(--yacht-blue);
  background-color: hsl(199 33% 55%);
  border-color: oklch(0.662 0.066 228.7);
}

Tailwind CSS v4

@theme {
  --color-yacht-blue: #679bb3;
  --color-yacht-blue-50: #e3f9ff;
  --color-yacht-blue-100: #d3edfa;
  --color-yacht-blue-200: #b9daec;
  --color-yacht-blue-300: #96bed3;
  --color-yacht-blue-400: #75a6be;
  --color-yacht-blue-500: #558fa9;
  --color-yacht-blue-600: #49798f;
  --color-yacht-blue-700: #3a6172;
  --color-yacht-blue-800: #284754;
  --color-yacht-blue-900: #1b313b;
  --color-yacht-blue-950: #0b1d25;
}

SCSS

$yacht-blue: #679bb3;
$yacht-blue-rgb: 103, 155, 179;
$yacht-blue-light: mix(#fff, $yacht-blue, 20%);
$yacht-blue-dark: mix(#000, $yacht-blue, 20%);

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