Cobalt
#154BA8 · Cobalt
#154BA8 is Cobalt, a cool blue color. It has an RGB value of 21, 75, 168 and a relative luminance of 0.080, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.08
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
8.07:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.60:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Analogous
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #154BA8?
#154BA8 is Cobalt, a cool blue color. In RGB it is 21, 75, 168, and in HSL it is 218°, 78%, 37%.
Is #154BA8 a light or dark color?
#154BA8 has a relative luminance of 0.080, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #154BA8?
Its complementary color is #A87215. For softer combinations, try the analogous or split-complementary harmonies shown above.