Here’s a color palette based on your query, featuring a primary color of black, an accent of gold, and a highlight of royal blue, along with three additional complementary colors:

### Color Palette: "Elegant Night"

1. **Black**
   - **Hex Code:** 
                            
                            #000000
                        
   - **Description:** A deep, rich black that serves as a strong foundation for the palette, embodying sophistication and elegance.

2. **Gold**
   - **Hex Code:** 
                            
                            #D4AF37
                        
   - **Description:** A warm, lustrous gold that adds a touch of luxury and opulence, perfect for accentuating key elements.

3. **Royal Blue**
   - **Hex Code:** 
                            
                            #4169E1
                        
   - **Description:** A vibrant royal blue that provides a striking contrast against black while offering a sense of calm and trust.

4. **Silver**
   - **Hex Code:** 
                            
                            #C0C0C0
                        
   - **Description:** A sleek silver that complements gold and adds a modern flair, enhancing the overall elegance of the palette.

5. **Crimson Red**
   - **Hex Code:** 
                            
                            #DC143C
                        
   - **Description:** A bold crimson red that injects energy and passion, creating a dynamic interplay with the cooler tones.

6. **White Smoke**
   - **Hex Code:** 
                            
                            #F5F5F5
                        
   - **Description:** A soft, light grayish-white that provides balance and contrast, ensuring the darker colors stand out while maintaining a clean aesthetic.

### Palette Overview:
This color palette, "Elegant Night," combines deep, luxurious tones with vibrant accents to create a sophisticated yet lively interplay of colors. The black serves as a strong base, while gold and royal blue introduce richness and vibrancy, complemented by silver, crimson red, and white smoke for a well-rounded and visually appealing design. This palette is ideal for elegant branding, stylish event invitations, or sophisticated web design.