Cobalt
#551B74 · Cobalt
#551B74 is Cobalt, a balanced violet color. It has an RGB value of 85, 27, 116 and a relative luminance of 0.040, making it a dark surface.
Temperature
◐ Balanced
Hue family
violet
Luminance
0.04
Conversions
HEX
RGB
HSL
HSV
CMYK
OKLCHPro
Contrast & accessibility
On white
The quick fox
11.70:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
1.80:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #551B74?
#551B74 is Cobalt, a balanced violet color. In RGB it is 85, 27, 116, and in HSL it is 279°, 62%, 28%.
Is #551B74 a light or dark color?
#551B74 has a relative luminance of 0.040, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #551B74?
Its complementary color is #3A741B. For softer combinations, try the analogous or split-complementary harmonies shown above.