Gulf Stream Blue

CSS

:root {
  --gulf-stream-blue: #689fc1;
  --gulf-stream-blue-rgb: 104 159 193;
  --gulf-stream-blue-oklch: oklch(0.677 0.077 236.6);
}

.element {
  color: var(--gulf-stream-blue);
  background-color: hsl(203 42% 58%);
  border-color: oklch(0.677 0.077 236.6);
}

Tailwind CSS v4

@theme {
  --color-gulf-stream-blue: #689fc1;
  --color-gulf-stream-blue-50: #e2f9ff;
  --color-gulf-stream-blue-100: #d1ecff;
  --color-gulf-stream-blue-200: #b7daf2;
  --color-gulf-stream-blue-300: #93bedb;
  --color-gulf-stream-blue-400: #72a6c6;
  --color-gulf-stream-blue-500: #518eb3;
  --color-gulf-stream-blue-600: #457897;
  --color-gulf-stream-blue-700: #376079;
  --color-gulf-stream-blue-800: #264759;
  --color-gulf-stream-blue-900: #19313e;
  --color-gulf-stream-blue-950: #0a1d28;
}

SCSS

$gulf-stream-blue: #689fc1;
$gulf-stream-blue-rgb: 104, 159, 193;
$gulf-stream-blue-light: mix(#fff, $gulf-stream-blue, 20%);
$gulf-stream-blue-dark: mix(#000, $gulf-stream-blue, 20%);

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