Deep Atlantic Blue

CSS

:root {
  --deep-atlantic-blue: #004f57;
  --deep-atlantic-blue-rgb: 0 79 87;
  --deep-atlantic-blue-oklch: oklch(0.391 0.067 206.5);
}

.element {
  color: var(--deep-atlantic-blue);
  background-color: hsl(186 100% 17%);
  border-color: oklch(0.391 0.067 206.5);
}

Tailwind CSS v4

@theme {
  --color-deep-atlantic-blue: #004f57;
  --color-deep-atlantic-blue-50: #e0fbff;
  --color-deep-atlantic-blue-100: #cfeff4;
  --color-deep-atlantic-blue-200: #b4dde3;
  --color-deep-atlantic-blue-300: #8fc1ca;
  --color-deep-atlantic-blue-400: #6eaab2;
  --color-deep-atlantic-blue-500: #4a939c;
  --color-deep-atlantic-blue-600: #407c84;
  --color-deep-atlantic-blue-700: #33636a;
  --color-deep-atlantic-blue-800: #23494d;
  --color-deep-atlantic-blue-900: #183336;
  --color-deep-atlantic-blue-950: #081e21;
}

SCSS

$deep-atlantic-blue: #004f57;
$deep-atlantic-blue-rgb: 0, 79, 87;
$deep-atlantic-blue-light: mix(#fff, $deep-atlantic-blue, 20%);
$deep-atlantic-blue-dark: mix(#000, $deep-atlantic-blue, 20%);

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