Cobalt
#23439A · Cobalt
#23439A is Cobalt, a cool blue color. It has an RGB value of 35, 67, 154 and a relative luminance of 0.067, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.07
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
8.97:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.34:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #23439A?
#23439A is Cobalt, a cool blue color. In RGB it is 35, 67, 154, and in HSL it is 224°, 63%, 37%.
Is #23439A a light or dark color?
#23439A has a relative luminance of 0.067, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #23439A?
Its complementary color is #9A7A23. For softer combinations, try the analogous or split-complementary harmonies shown above.