### Color Palette: "Artifact Elegance"

**Palette Description:**  
This palette combines warm terracotta tones with deep, rich purples and soft off-whites, creating a sophisticated and inviting atmosphere perfect for an artifact museum poster. The warm earthy hues celebrate the ancient origins of artifacts, while the deep purple adds a regal touch, symbolizing history and culture. The off-white shades provide balance and contrast, ensuring that the design remains clean and visually appealing.

#### Color Swatches:

1. **Terracotta**
   - **Hex Code:** 
                            
                            #D87D5D
                        
   - **Description:** A warm, earthy orange-brown that evokes a sense of ancient clay pottery.

2. **Deep Purple**
   - **Hex Code:** 
                            
                            #5B3F8D
                        
   - **Description:** A rich, luxurious purple that conveys depth and sophistication, reminiscent of royal artifacts.

3. **Soft Off-White**
   - **Hex Code:** 
                            
                            #F4F1E6
                        
   - **Description:** A gentle off-white with a hint of warmth, providing a soft background that complements the other colors.

4. **Muted Terracotta**
   - **Hex Code:** 
                            
                            #C56A4C
                        
   - **Description:** A muted and slightly darker terracotta that deepens the warmth of the palette, ideal for accents.

5. **Lavender Mist**
   - **Hex Code:** 
                            
                            #D6C5E0
                        
   - **Description:** A soft lavender shade that lightens the palette and adds a touch of elegance without overpowering.

6. **Creamy Beige**
   - **Hex Code:** 
                            
                            #E7D3C1
                        
   - **Description:** A warm, creamy beige that serves as a neutral base, enhancing readability and serving as a calming backdrop.

### Usage:
This palette is ideal for creating a visually striking artifact museum poster that highlights the beauty of history while remaining accessible and engaging to viewers. Use the deep purple for headings and key information, while the terracotta shades can be utilized in imagery or borders, and the off-white tones for backgrounds and text areas to ensure clarity.