Cobalt
#135EAA · Cobalt
#135EAA is Cobalt, a cool blue color. It has an RGB value of 19, 94, 170 and a relative luminance of 0.110, 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
6.54:1
AA normal✓
AA large✓
AAA normal✕
On black
The quick fox
3.21:1
AA normal✕
AA large✓
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #135EAA?
#135EAA is Cobalt, a cool blue color. In RGB it is 19, 94, 170, and in HSL it is 210°, 80%, 37%.
Is #135EAA a light or dark color?
#135EAA has a relative luminance of 0.110, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #135EAA?
Its complementary color is #AA5E13. For softer combinations, try the analogous or split-complementary harmonies shown above.