Here’s a color palette based on your specified color #5B81AD along with three complementary colors:

json
{
  "palette_name": "Cool Blue Harmony",
  "colors": [
    {
      "name": "Slate Blue",
      "hex_code": "
                            
                            #5B81AD
                        "
    },
    {
      "name": "Coral Pink",
      "hex_code": "
                            
                            #FF6F61
                        "
    },
    {
      "name": "Soft Mint",
      "hex_code": "
                            
                            #A8E2D8
                        "
    },
    {
      "name": "Warm Beige",
      "hex_code": "
                            
                            #F5E0C3
                        "
    }
  ]
}

Palette Description:

The “Cool Blue Harmony” palette features Slate Blue as the focal point, embodying a cool and calming essence. Coral Pink provides a vibrant contrast that adds warmth and energy to the palette. Soft Mint introduces a refreshing element, while Warm Beige rounds out the palette with a soft, neutral touch that enhances the overall balance. This combination is perfect for creating a serene yet lively atmosphere.

What are your thoughts on this palette? Do you have a specific application in mind, or would you like to explore additional options?