Is it wrong to wear navy pants with a navy blazer?

I have heard from some people that wearing navy pants with a navy blazer looks like a mismatched suit i.e. one accidentally took the trousers from one and a jacket from other. It is because the two different pieces are just off from fitting exactly.
I wonder if wearing navy chinos or corduroys would be fine, as the fabric is sufficiently different to make it obviously not part of a suit.
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