The hex color #2d33e6 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#D2CC19. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#6066FF, and Hex
#0000B3 is the 20% darker color. If the color is saturated by 10%, you get
#272DF2. If the color is desaturated by 10%, the color
#3339DA is obtained.