Here is a color palette based on red as the base color, along with complementary shades:

json
{
  "palette_name": "Red Harmony",
  "colors": [
    {
      "name": "Crimson Red",
      "hex_code": "
                            
                            #DC143C
                        "
    },
    {
      "name": "Soft White",
      "hex_code": "
                            
                            #F5F5F5
                        "
    },
    {
      "name": "Charcoal Gray",
      "hex_code": "
                            
                            #36454F
                        "
    }
  ]
}

Palette Description:

The “Red Harmony” palette features Crimson Red as the standout base color, complemented by a Soft White for brightness and a Charcoal Gray for depth. This combination creates a vibrant yet balanced visual aesthetic.

Would you like any specific suggestions for how to use this palette, or do you have any other color preferences in mind?