The hex color #2d33ea is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#D2CC15. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#6066FF, and Hex
#0000B7 is the 20% darker color. If the color is saturated by 10%, you get
#272DF6. If the color is desaturated by 10%, the color
#3439DE is obtained.