The hex color #1f29f2 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#E0D60D. The grayscale version is
#696969. A 20% lighter version of the original color is
#525CFF, and Hex
#0000BF is the 20% darker color. If the color is saturated by 10%, you get
#1823FF. If the color is desaturated by 10%, the color
#262FE4 is obtained.