Here’s a new seven-color palette inspired by sunset hues while keeping “Soft Blush,” “Midnight Blue,” and “Deep Indigo” as the base colors:

 <Sunset Dreams>
1. Soft Blush - 
          
          #faedf0
        - A delicate, light pink that captures the soft glow of early dawn.
2. Midnight Blue - 
          
          #161853
        - A profound, dark blue reminiscent of the evening sky transitioning to night.
3. Deep Indigo - 
          
          #292c6d
        - A rich indigo that adds depth, mirroring the twilight hues after sunset.
4. Sunset Coral - 
          
          #FF7F50
        - A warm coral that embodies the vibrant and inviting tones of a sunset.
5. Lavender Mist - 
          
          #E6C4E0
        - A soft lavender that introduces a gentle brightness, reminiscent of twilight skies.
6. Warm Sand - 
          
          #D8B186
        - A soft beige that adds an earthy warmth, evoking the tranquil feel of a beach at sunset.
7. Dusky Rose - 
          
          #C88E9D
        - A muted rose that brings nostalgia and warmth, reminiscent of fading light in the sky.

The “Sunset Dreams” palette combines your specified base colors with warm and inviting hues, creating a serene yet vibrant atmosphere ideal for various design projects.

What do you think of this updated palette? Do you have a specific application or theme in mind for these colors, or would you like to see how they can be implemented in design?