Cobalt
#275CBE · Cobalt
#275CBE is Cobalt, a cool blue color. It has an RGB value of 39, 92, 190 and a relative luminance of 0.118, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.12
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
6.25:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.36:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #275CBE?
#275CBE is Cobalt, a cool blue color. In RGB it is 39, 92, 190, and in HSL it is 219°, 66%, 45%.
Is #275CBE a light or dark color?
#275CBE has a relative luminance of 0.118, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #275CBE?
Its complementary color is #BE8927. For softer combinations, try the analogous or split-complementary harmonies shown above.