Here’s the reordered color palette from darkest to lightest based on the colors inspired by cobalt:

json
{
  "palette_name": "Cobalt Dreams",
  "colors": [
    {
      "name": "Rich Indigo",
      "hex_code": "
                            
                            #4B0082
                        "
    },
    {
      "name": "Cobalt Blue",
      "hex_code": "
                            
                            #003DA5
                        "
    },
    {
      "name": "Steel Gray",
      "hex_code": "
                            
                            #7C7C7C
                        "
    },
    {
      "name": "Silver",
      "hex_code": "
                            
                            #C0C0C0
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #87CEEB
                        "
    }
  ]
}

This arrangement presents the colors transitioning from the darkest shades to the lightest, maintaining an aesthetic flow.

Would you like any further adjustments or additional color palettes?