Blue is my favorite color. What is yours?
That's crazy, blue is my favorite color as well!
I think it is a vorite of many considering it was even used in ancient Egypt for jewelry and ornaments. In facts, the most expensive pigment during the Renaissance was made of the color blue.
That's fascinating, I had no idea. I think it is a perfect mix of darker shades but can also be incredibly vibrant. There are a ton of different combinations of other colors it goes extremely well with, especially white and mixes of lighter/darker shades of blue for contrast.
Saying blue is pretty vague when you consider the many different shades like azure or ultramarine which actually include bits of other colors. 
Right. What is your favorite shade? I prefer a darker navy blue, or a vibrant sea blue. I am not very partial when it comes to the lighter sky/baby blues, but when mixed with darker shades in different aspects of design, it can look fantastic.
Blue
Blue is one of the three primary colours of pigments in painting and traditional colour theory, as well as in the RGB colour model. It lies between violet and green on the spectrum of visible light. The eye perceives blue when observing light with a dominant wavelength between approximately 450 and 495 nanometres. Most blues contain a slight mixture of other colours; azure contains some green, while ultramarine contains some violet. The clear daytime sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering.
Ultramarine
Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powder. The name comes from the Latin "ultramarinus", literally "beyond the sea", because the pigment was imported into Europe from mines in Afghanistan by Italian traders during the 14th and 15th centuries.
Ultramarine was the finest and most expensive blue used by Renaissance painters. It was often used for the robes of the Virgin Mary, and symbolized holiness and humility. It remained an extremely expensive pigment until a synthetic