Cobalt
#2855BD · Cobalt
#2855BD is Cobalt, a cool blue color. It has an RGB value of 40, 85, 189 and a relative luminance of 0.106, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.11
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
6.72:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.12:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #2855BD?
#2855BD is Cobalt, a cool blue color. In RGB it is 40, 85, 189, and in HSL it is 222°, 65%, 45%.
Is #2855BD a light or dark color?
#2855BD has a relative luminance of 0.106, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #2855BD?
Its complementary color is #BD9128. For softer combinations, try the analogous or split-complementary harmonies shown above.