#3183CE

#3183CE

Color Values

HEX

#3183CE

RGB

49, 131, 206

HSL

208.7, 61.6%, 50.0%

HSV

208.7, 76.2%, 80.8%

CMYK

76.2%, 36.4%, 0.0%, 19.2%

OKLCH

0.5969 0.1388 249.8

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3183CE

#CE7C31

Analogous

#31CECB

#3134CE

#3183CE

Triadic

#3183CE

#CE3183

#83CE31

Split Complementary

#3183CE

#CE3134

#CECB31

Tetradic

#3183CE

#CB31CE

#CE7C31

#34CE31

Color Blindness Simulation

Original

#3183CE

Protanopia

#5555BC

Deuteranopia

#504AB8

Tritanopia

#35AEAA

Achromatopsia

#777777

CSS Usage

background-color: #3183CE;
color: #3183CE;
border-color: #3183CE;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F8FB
100
#E4EEF6
200
#C5DCF1
300
#9CC3E7
400
#67A3DB
500
#3183CE
600
#2769A5
700
#1F5484
800
#184167
900
#16324B
950
#0E1F30

Contrast Checker

Text on white

3.99:1

AA Fail AAA Fail

Text on black

5.27:1

AA Pass AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026