If the red tiles lean toward orange a brown tinged.
Paint colors to go with red clay roof tiles.
Colors such as forest green and maroon more commonly used in northern climates will clash with your roof tiles and appear too dark in a desert area.
I also think the house is slightly caught between styles.
From the resene the range fashion colours 18.
Red tile roofs and stucco are mediterranean elements but the light blue shutters and lower railing are less so.
Resene white pointer is a diffused neutral a stark off white with a hint of black.
If the roof has a magenta cast finishing the siding with a blue tinged gray paint provides a subtle tie in to the blue element within the tiles.
I would also paint the garage door the same color so it becomes less of a focal point.
When manganese umber is going to be added to the perfectly firing red clay then it will help the manufacturers to create highly attractive brown colors which can be ranged from speckled to nutmeg and to chocolate brown depending on the sizing and quantity.
Warm golds and beiges look nice on stucco homes with red tile roofs.
Try resene white pointer with deep blues grey whites or fusion greys such as resene wishing well resene black white or resene fifty shades.
Desert tones and colors such as sand white cream very soft yellows and browns blend well with a hot dry environment complementing the red roof tiles.