Based on your request for a darker blue than the specified color ( #8A7150 ), here’s a color palette that complements the idea of a darker blue:

json
{
  "palette_name": "Dark Blue Hues",
  "colors": [
    {
      "name": "Deep Blue",
      "hex_code": "
          
          #003366
       "
    },
    {
      "name": "Slate Blue",
      "hex_code": "
          
          #6A7B9D
       "
    },
    {
      "name": "Midnight Blue",
      "hex_code": "
          
          #191970
       "
    },
    {
      "name": "Steel Blue",
      "hex_code": "
          
          #4682B4
       "
    },
    {
      "name": "Dark Cyan",
      "hex_code": "
          
          #008B8B
       "
    }
  ]
}

This palette features various shades of blue, capturing a deeper tone while maintaining a harmonious balance.

Would you like to explore more shades or perhaps a different color theme?