Here’s a revised color palette featuring a darker complementary quartet:

json
{
  "palette_name": "Dark Complementary Quartet",
  "colors": [
    {
      "name": "Deep Forest Green",
      "hex_code": "
                            
                            #1A3E34
                        "
    },
    {
      "name": "Burnt Sienna",
      "hex_code": "
                            
                            #8B4C3A
                        "
    },
    {
      "name": "Muted Plum",
      "hex_code": "
                            
                            #6F4A8E
                        "
    },
    {
      "name": "Charcoal Gray",
      "hex_code": "
                            
                            #4B4D4E
                        "
    }
  ]
}

This palette features richer and darker tones that maintain a harmonious complementary relationship. The colors evoke a sense of depth and sophistication while still feeling grounded.

Would you like to adjust this palette further or explore different themes?