Can I wire 3-way switches so that when they are both in the same orientation the light will be off?
There are four possible combinations of two 3-way switches:


Both up
Both down
First up, second down
First down, second up


Two of these will have the light or fixture on, two will have it off.   I prefer #1 and #2 to be "off", with #3 and #4 on.

If your light is off for #3 and #4, and you'd prefer it the other way, you can exchange the traveller wires at (only) one of the two switches.   The travellers are generally connected to two silver screws, with the common wire on a darker screw.