The hex color #296dbc is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#D69243. The grayscale version is
#717171. A 20% lighter version of the original color is
#5CA0EF, and Hex
#003A89 is the 20% darker color. If the color is saturated by 10%, you get
#226DC4. If the color is desaturated by 10%, the color
#306DB4 is obtained.