Here is a color palette designed for your engineering firm, centered around your company color #003F7F and featuring several lighter options suitable for flooring and wall design.

json
{
  "palette_name": "Engineering Firm Palette",
  "colors": [
    {
      "name": "Deep Blue",
      "hex_code": "
                            
                            #003F7F
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #4A90E2
                        "
    },
    {
      "name": "Steel Blue",
      "hex_code": "
                            
                            #7FB3E3
                        "
    },
    {
      "name": "Light Blue",
      "hex_code": "
                            
                            #A8D8E8
                        "
    },
    {
      "name": "Soft Gray",
      "hex_code": "
                            
                            #D1D8E0
                        "
    },
    {
      "name": "Pale Gray",
      "hex_code": "
                            
                            #F0F4F8
                        "
    }
  ]
}

This palette combines your core brand color with complementary lighter shades to provide a professional yet inviting atmosphere suitable for your firm’s interior design.

Would you like suggestions on how to apply these colors in your design, or do you have other specific needs?