Cobalt
#182DCD · Cobalt
#182DCD is Cobalt, a cool blue color. It has an RGB value of 24, 45, 205 and a relative luminance of 0.065, 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
9.15:1
AA normal✓
AA large✓
AAA normal✓
On black
The quick fox
2.30:1
AA normal✕
AA large✕
AAA normal✕
Color harmonies
Complementary
Split-complementary
Shades & tints
Similar named colors
Frequently asked
What is the color #182DCD?
#182DCD is Cobalt, a cool blue color. In RGB it is 24, 45, 205, and in HSL it is 233°, 79%, 45%.
Is #182DCD a light or dark color?
#182DCD has a relative luminance of 0.065, so it reads as a dark surface. Use light text on top of it for the best contrast.
What colors go well with #182DCD?
Its complementary color is #CDB818. For softer combinations, try the analogous or split-complementary harmonies shown above.