The dark set of straps are black, I think. Either black or really really dark navy that it's indistinguishable from black. :)
The store only had size XS, M and L left in this bra. I normally prefer size S in Lorna Jane bras. But the size M in this bra actually fits well! It's still rather supportive. So maybe this is a style that fits on the tighter side. I find the size M to fit very similar to, or even smaller than other LJ bras in size S that I own.
Here it is on me:
The top two straps can be unclasped on the back as well to get a different style.
So I took the tags off this one real fast! Already wore it this morning to workout in! This bra has a LJ Black label, which supposedly denotes Lorna Jane Clarkson's favorite items. I do find that the black label products are usually superior and this one is no exception.