What makes the Oceans blue? Why are there so many shades of blue, are they determined by the sky reflections? The answer refers to a physical phenomen: The more and the deeper water is, the bluer it appears as it emits more blue light and absorbes other wavelengths of the sunlight. Pollution and content of sediments can reduce this effect. Deep Sea blue earrings invite you to dive into the magic Blue of the Oceans.