The hex color #2f70b4 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#D08F4B. The grayscale version is
#717171. A 20% lighter version of the original color is
#62A3E7, and Hex
#003D81 is the 20% darker color. If the color is saturated by 10%, you get
#2870BB. If the color is desaturated by 10%, the color
#3670AD is obtained.