I am one of four brown-eyed children of a pale-blue-eyed mother and a pale-green-eyed father. (We all have variations on brown hair; she is blonde and he had black hair.)
We were supposed to be genetic impossibilities. My little sister's grade 10 science teacher tried to help her when she couldn't do the BB Bb etc. chart for our family. He listened to her description, and then said "the milkman".
Four different milkmen in four different parts of town. 
My darkest brown-eyed brother has a dark-blue-eyed son; his mother has blue eyes. The son too should be impossible, by the old theory.
More recent research shows that we are not impossible, although pretty rare; and all four being rarities makes us very very rare. I read one account on line of a brown-eyed offspring of blue-eyed parents having a blue-eyed fraternal twin.
I've seen the old simplistic theory, that there were just blue(green)-eyed genes and brown-eyed genes, in university-level curriculum materials on line, still.
Both my parents had just enough alleles for brown (and the colour variations are numerous) to produce, when combined, a brown-eyed child.
Your husband or you, or both, must have had just not quite enough!
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