Here is a color palette transitioning from red to blue, featuring 10 colors:

json
{
  "palette_name": "Red to Blue Gradient",
  "colors": [
    {
      "name": "Crimson Red",
      "hex_code": "
          
          #DC143C
       "
    },
    {
      "name": "Firebrick",
      "hex_code": "
          
          #B22222
       "
    },
    {
      "name": "Tomato",
      "hex_code": "
          
          #FF6347
       "
    },
    {
      "name": "Orange Red",
      "hex_code": "
          
          #FF4500
       "
    },
    {
      "name": "Gold",
      "hex_code": "
          
          #FFD700
       "
    },
    {
      "name": "Yellow",
      "hex_code": "
          
          #FFFF00
       "
    },
    {
      "name": "Light Sky Blue",
      "hex_code": "
          
          #87CEFA
       "
    },
    {
      "name": "Dodger Blue",
      "hex_code": "
          
          #1E90FF
       "
    },
    {
      "name": "Medium Blue",
      "hex_code": "
          
          #0000CD
       "
    },
    {
      "name": "Royal Blue",
      "hex_code": "
          
          #4169E1
       "
    }
  ]
}

This palette smoothly transitions through shades of red and orange, then into yellows and blues, creating a vibrant gradient effect.

Would you like to know how to use this palette, or do you have any specific applications in mind?