### Color Palette for Airport Website: "Skyline Serenity"

1. **Sky Blue**
   - **Hex Code:** 
                            
                            #87CEEB
                        
   - **Description:** A light and airy blue that evokes a sense of calm and openness, reminiscent of a clear sky. Ideal for backgrounds to create a spacious feel.

2. **Azure**
   - **Hex Code:** 
                            
                            #007FFF
                        
   - **Description:** A vibrant and bold blue that symbolizes trust and reliability, perfect for buttons and calls to action.

3. **Steel Blue**
   - **Hex Code:** 
                            
                            #4682B4
                        
   - **Description:** A medium blue with a hint of gray, providing a professional and modern look suitable for headers and navigation bars.

4. **Cornflower Blue**
   - **Hex Code:** 
                            
                            #6495ED
                        
   - **Description:** A bright and cheerful blue that adds a touch of friendliness to the design, suitable for icons and highlights.

5. **Deep Sky Blue**
   - **Hex Code:** 
                            
                            #00BFFF
                        
   - **Description:** A vivid and energetic blue that captures attention, perfect for important notifications or alerts.

6. **Powder Blue**
   - **Hex Code:** 
                            
                            #B0E0E6
                        
   - **Description:** A soft and soothing blue that can be used for secondary backgrounds or sections, providing a gentle contrast to stronger colors.

### Palette Overview:
"Skyline Serenity" combines various shades of blue to create a harmonious and inviting atmosphere suitable for an airport website. This palette balances professionalism with warmth, ensuring that users feel comfortable and confident while navigating the site. The use of contrasting shades allows for clear visual hierarchies, guiding users seamlessly through their journey.