The hex color #2c70b3 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#D38F4C. The grayscale version is
#707070. A 20% lighter version of the original color is
#5FA3E6, and Hex
#003D80 is the 20% darker color. If the color is saturated by 10%, you get
#2570BA. If the color is desaturated by 10%, the color
#3370AC is obtained.