Do you need the for a specific shade of blue (like Navy or Sky Blue) to use in a design app?
If you are looking for specific textures (like paper) or different shades of blue, these resources offer free downloads and generators: 1579x987 Blue Background Solid Colors">
: For a "paper" feel rather than a flat digital solid, you can find high-resolution blue paper textures on Vecteezy or Shutterstock . Do you need the for a specific shade