For a high-contrast box above the Brand Blue ( #2b59c3 ), you may want to consider colors that will stand out against this blue background. Here’s an updated color palette including a high-contrast option that could work well:

json
{
  "palette_name": "High Contrast Box Palette",
  "colors": [
    {
      "name": "Brand Blue",
      "hex_code": "
          
          #2b59c3
       "
    },
    {
      "name": "Pure White",
      "hex_code": "
          
          #FFFFFF
       "
    },
    {
      "name": "Bright Yellow",
      "hex_code": "
          
          #FFD700
       "
    },
    {
      "name": "Crimson Red",
      "hex_code": "
          
          #DC143C
       "
    },
    {
      "name": "Bright Orange",
      "hex_code": "
          
          #FFA500
       "
    }
  ]
}

Palette Description:

• Brand Blue: Your primary brand color.
• Pure White: A neutral for balance and readability.
• Bright Yellow: Offers high contrast and grabs attention, ideal for call-to-action boxes.
• Crimson Red: A bold option that stands out against blue, perfect for urgency or alerts.
• Bright Orange: A vibrant color that adds warmth and energy, suitable for highlights.

These colors can provide high visibility and contrast against the Brand Blue, making any important information stand out effectively. Would you like to explore more options or perhaps test specific color combinations?