Here is a color palette based on your query, featuring a light blue, red, green, and yellow that harmonize well with the deep blue color 
          
          #0053A0
       :

### Color Palette: Coastal Breeze

1. **Light Blue**
   - **Color Name:** Sky Blue
   - **Hex Code:** 
          
          #A4D8E1
       
   - **Description:** A soft, airy blue that evokes a sense of tranquility and complements the deep blue beautifully.

2. **Red**
   - **Color Name:** Coral Red
   - **Hex Code:** 
          
          #FF6B6B
       
   - **Description:** A vibrant coral red that adds warmth and energy, creating a lively contrast against the deep blue.

3. **Green**
   - **Color Name:** Mint Green
   - **Hex Code:** 
          
          #A8E6CF
       
   - **Description:** A refreshing mint green that brings a touch of nature and lightness, balancing the richness of the primary blue.

4. **Yellow**
   - **Color Name:** Sunny Yellow
   - **Hex Code:** 
          
          #FFD54F
       
   - **Description:** A cheerful, sunny yellow that provides a bright pop of color, enhancing the overall palette with its brightness.

5. **Dark Blue (Complementary)**
   - **Color Name:** Navy Blue
   - **Hex Code:** 
          
          #003B5C
       
   - **Description:** A deep navy that complements the main blue, adding depth and sophistication to the palette.

6. **Neutral**
   - **Color Name:** Light Gray
   - **Hex Code:** 
          
          #E0E0E0
       
   - **Description:** A soft light gray that serves as a neutral backdrop, allowing the brighter colors to stand out without overwhelming the palette.

### Palette Overview:
The "Coastal Breeze" palette combines soft and vibrant colors that evoke a sense of calmness and warmth. The light blue and mint green provide a serene foundation, while the coral red and sunny yellow introduce lively accents. The navy blue adds depth, and the light gray offers a balanced neutral tone, making this palette versatile for various design applications.