#3166CE

#3166CE

Color Values

HEX

#3166CE

RGB

49, 102, 206

HSL

219.7, 61.6%, 50.0%

HSV

219.7, 76.2%, 80.8%

CMYK

76.2%, 50.5%, 0.0%, 19.2%

OKLCH

0.5332 0.1711 262.0

Properties

Cool Dark Nearest: royalblue 3

Color Harmonies

Complementary

#3166CE

#CE9931

Analogous

#31B5CE

#4A31CE

#3166CE

Triadic

#3166CE

#CE3166

#66CE31

Split Complementary

#3166CE

#CE4A31

#B5CE31

Tetradic

#3166CE

#CE31B5

#CE9931

#31CE4A

Color Blindness Simulation

Original

#3166CE

Protanopia

#4848B5

Deuteranopia

#4541AF

Tritanopia

#34A19D

Achromatopsia

#626262

CSS Usage

background-color: #3166CE;
color: #3166CE;
border-color: #3166CE;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F3F6FB
100
#E4EAF6
200
#C5D4F1
300
#9CB6E7
400
#678EDB
500
#3166CE
600
#2752A5
700
#1F4184
800
#183367
900
#16284B
950
#0E1930

Contrast Checker

Text on white

5.35:1

AA Pass AAA Fail

Text on black

3.92:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026