The hex color #1f29d2 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#E0D62D. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#525CFF, and Hex
#00009F is the 20% darker color. If the color is saturated by 10%, you get
#1924DE. If the color is desaturated by 10%, the color
#252EC6 is obtained.