Cobalt
#235E9A · Cobalt
#235E9A is Cobalt, a cool blue color. It has an RGB value of 35, 94, 154 and a relative luminance of 0.107, 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
6.69:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.14:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #235E9A?
#235E9A is Cobalt, a cool blue color. In RGB it is 35, 94, 154, and in HSL it is 210°, 63%, 37%.
Is #235E9A a light or dark color?
#235E9A has a relative luminance of 0.107, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #235E9A?
Its complementary color is #9A5E23. For softer combinations, try the analogous or split-complementary harmonies shown above.