Cobalt
#263397 · Cobalt
#263397 is Cobalt, a cool blue color. It has an RGB value of 38, 51, 151 and a relative luminance of 0.050, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.05
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
10.49:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.00:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #263397?
#263397 is Cobalt, a cool blue color. In RGB it is 38, 51, 151, and in HSL it is 233°, 60%, 37%.
Is #263397 a light or dark color?
#263397 has a relative luminance of 0.050, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #263397?
Its complementary color is #978A26. For softer combinations, try the analogous or split-complementary harmonies shown above.