Cobalt
#0F03E2 · Cobalt
#0F03E2 is Cobalt, a cool blue color. It has an RGB value of 15, 3, 226 and a relative luminance of 0.057, making it a dark surface.
Temperature
❄ Cool
Hue family
blue
Luminance
0.06
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
9.85:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.13:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #0F03E2?
#0F03E2 is Cobalt, a cool blue color. In RGB it is 15, 3, 226, and in HSL it is 243°, 97%, 45%.
Is #0F03E2 a light or dark color?
#0F03E2 has a relative luminance of 0.057, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #0F03E2?
Its complementary color is #D7E203. For softer combinations, try the analogous or split-complementary harmonies shown above.