That's montipora digitata. There is no blue based version. There is a blue polyp one but the blue will only show up in high light. I have a purple digi that was brown like that when I got it but now is covered in purple polyps and the new growth is purpleish white.
20 Gallon SPS reef
29 Gallon FW "fat catfish" tank
20 Gallon Long Dart Frogs "Zig" and "Zag"