Interesting question;I would love to hear others' replies to this too.
Difficult to answer though
. My style doesn't fall into a specific category,I don't think. I think of it as a kind of "quiet luxury","classic with a twist."
I like simple things with unexpected features.
I like good quality fabrics and good craftsmanship.
Neutral colours mostly,with the occasional splash of red and some dusty pinks/blues/nudes/lilacs in summer.
I often like little details that only I can see,like special inside linings,leather buttons,etc.
I enjoy quietly subversive elements...like my sober looking Paul Smith trouser suit with totally off-kilter pinstripes
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As far as the bags go...I buy bags that will suit (different aspects of) my style. i would never buy a bag to which i would have to adapt;my choice of bag should complete me.