Cobalt
#055EB8 · Cobalt
#055EB8 is Cobalt, a cool blue color. It has an RGB value of 5, 94, 184 and a relative luminance of 0.115, 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
6.36:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.30:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #055EB8?
#055EB8 is Cobalt, a cool blue color. In RGB it is 5, 94, 184, and in HSL it is 210°, 95%, 37%.
Is #055EB8 a light or dark color?
#055EB8 has a relative luminance of 0.115, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #055EB8?
Its complementary color is #B85E05. For softer combinations, try the analogous or split-complementary harmonies shown above.