The hex color #2b70a8 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#D48F57. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#5EA3DB, and Hex
#003D75 is the 20% darker color. If the color is saturated by 10%, you get
#2570AE. If the color is desaturated by 10%, the color
#3170A2 is obtained.