Red tile roofs and stucco are mediterranean elements but the light blue shutters and lower railing are less so.
Paint colors to go with red clay roof tiles.
The green and blue tones pick up some of the subtle variegated colors in the clay roof tile overall contrasting dynamically with the warm color overhead.
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.
However manganese for roof tiles can also be used to change the color of clay tiles.
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.
From the resene the range fashion colours 18.
I also think the house is slightly caught between styles.
Resene white pointer is a diffused neutral a stark off white with a hint of black.
Try resene white pointer with deep blues grey whites or fusion greys such as resene wishing well resene black white or resene fifty shades.
If the red tiles lean toward orange a brown tinged.
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.