Here’s a color palette with at least four colors based on your initial hex codes ( #E65EB0 , #049ECF , #074783 ):

json
{
  "palette_name": "Vibrant Harmony Extended",
  "colors": [
    {
      "name": "Soft Pink",
      "hex_code": "
          
          #E65EB0
       "
    },
    {
      "name": "Bright Cyan",
      "hex_code": "
          
          #049ECF
       "
    },
    {
      "name": "Deep Blue",
      "hex_code": "
          
          #074783
       "
    },
    {
      "name": "Light Lavender",
      "hex_code": "
          
          #E1B7E0
       "
    },
    {
      "name": "Cool Grey",
      "hex_code": "
          
          #A4B3B6
       "
    },
    {
      "name": "Bright Coral",
      "hex_code": "
          
          #FF6F61
       "
    }
  ]
}

Palette Description:

This updated palette, “Vibrant Harmony Extended,” now includes a bright coral in addition to the previous colors. The combination of soft pink, bright cyan, deep blue, light lavender, cool grey, and bright coral creates a lively yet balanced palette, perfect for various design needs.

Would you like to see any other specific colors or adjustments made to this palette?