The hex color #2b54db is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#D4AB24. The grayscale version is
#737373. A 20% lighter version of the original color is
#5E87FF, and Hex
#0021A8 is the 20% darker color. If the color is saturated by 10%, you get
#2451E5. If the color is desaturated by 10%, the color
#3257D1 is obtained.