The hex color #2c70a1 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#D38F5E. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#5FA3D4, and Hex
#003D6E is the 20% darker color. If the color is saturated by 10%, you get
#2671A7. If the color is desaturated by 10%, the color
#326F9B is obtained.