Here’s an updated vibrant color palette with a focus on adding more blue hues while maintaining the playful, cartoony aesthetic:

 <Cartoon Brights with Blues>
1. Sunny Yellow - 
                            
                            #FFC340
                         - A cheerful and warm yellow that evokes happiness and energy.
2. Bubblegum Pink - 
                            
                            #FF5378
                         - A vibrant pink that adds a playful and lively touch to the palette.
3. Sky Blue - 
                            
                            #00BFFF
                         - A bright and refreshing blue that brings a sense of calm and fun.
4. Light Blue - 
                            
                            #87CEEB
                         - A soft light blue that adds a gentle touch to the palette, perfect for backgrounds and accents.
5. Lime Green - 
                            
                            #A8E600
                         - A zesty lime green that adds a pop of freshness and excitement to the design.
6. Ocean Blue - 
                            
                            #007FFF
                         - A rich ocean blue that introduces depth and a calming effect, enhancing the blue theme.
7. Bright Coral - 
                            
                            #FF6F61
                         - A lively coral that brings warmth and vibrancy, perfect for playful designs.
8. Turquoise Teal - 
                            
                            #00B2A9
                         - A vibrant teal that adds a refreshing and energetic vibe, complementing the other colors beautifully.

This palette now includes additional blue shades, providing a broader range of options for your cartoony design.

Would you like to see how to use these colors in specific design elements, or do you have any other requests for further customization?