Here is a color palette based on your primary color #410464 along with harmonious shades of blue, yellow, green, red, and neutral:

json
{
  "palette_name": "Harmonious Shades Palette",
  "colors": [
    {
      "name": "Primary Purple 100",
      "hex_code": "
          
          #E0B2E5
       "
    },
    {
      "name": "Primary Purple 200",
      "hex_code": "
          
          #D48DC5
       "
    },
    {
      "name": "Primary Purple 300",
      "hex_code": "
          
          #A65E99
       "
    },
    {
      "name": "Primary Purple 400",
      "hex_code": "
          
          #6C2D6F
       "
    },
    {
      "name": "Primary Purple 500",
      "hex_code": "
          
          #410464
       "
    },
    {
      "name": "Primary Purple 600",
      "hex_code": "
          
          #3B0349
       "
    },
    {
      "name": "Primary Purple 700",
      "hex_code": "
          
          #320033
       "
    },
    {
      "name": "Primary Purple 800",
      "hex_code": "
          
          #290027
       "
    },
    {
      "name": "Primary Purple 900",
      "hex_code": "
          
          #1F001D
       "
    },
    {
      "name": "Blue 500",
      "hex_code": "
          
          #2196F3
       "
    },
    {
      "name": "Yellow 500",
      "hex_code": "
          
          #FFEB3B
       "
    },
    {
      "name": "Green 500",
      "hex_code": "
          
          #4CAF50
       "
    },
    {
      "name": "Red 500",
      "hex_code": "
          
          #F44336
       "
    },
    {
      "name": "Neutral Gray 500",
      "hex_code": "
          
          #9E9E9E
       "
    }
  ]
}

This palette consists of your specified primary color and complementary colors in varying shades that provide a harmonious balance. Each color works well together, making it suitable for a variety of design projects.

Would you like to explore specific combinations or uses for this palette?