A multi coloration tie that has blue and black in it. do no longer combination too many hues. Darker hues are superb in less warm months, khakis are extra beneficial in heat months - and khakis are extra casual.

I hope by khaki you mean black! that is the grosses combination of colours in the world,

but if i had to answer your question I would say black.

Red tie is no combination with...khaki pants.....grey tie coud be an option.......