Dead Lake

CSS

:root {
  --dead-lake: #2e5a88;
  --dead-lake-rgb: 46 90 136;
  --dead-lake-oklch: oklch(0.458 0.09 251.3);
}

.element {
  color: var(--dead-lake);
  background-color: hsl(211 49% 36%);
  border-color: oklch(0.458 0.09 251.3);
}

Tailwind CSS v4

@theme {
  --color-dead-lake: #2e5a88;
  --color-dead-lake-50: #e4f7ff;
  --color-dead-lake-100: #d3eaff;
  --color-dead-lake-200: #bad7fb;
  --color-dead-lake-300: #97bbe5;
  --color-dead-lake-400: #76a2d2;
  --color-dead-lake-500: #578ac0;
  --color-dead-lake-600: #4a75a2;
  --color-dead-lake-700: #3b5d82;
  --color-dead-lake-800: #294560;
  --color-dead-lake-900: #1b2f44;
  --color-dead-lake-950: #0b1c2c;
}

SCSS

$dead-lake: #2e5a88;
$dead-lake-rgb: 46, 90, 136;
$dead-lake-light: mix(#fff, $dead-lake, 20%);
$dead-lake-dark: mix(#000, $dead-lake, 20%);

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