#343166

#343166

Color Values

HEX

#343166

RGB

52, 49, 102

HSL

243.4, 35.1%, 29.6%

HSV

243.4, 52.0%, 40.0%

CMYK

49.0%, 52.0%, 0.0%, 60.0%

OKLCH

0.3454 0.0901 283.2

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#343166

#636631

Analogous

#314866

#4E3166

#343166

Triadic

#343166

#663431

#316634

Split Complementary

#343166

#664E31

#486631

Tetradic

#343166

#663148

#636631

#31664E

Color Blindness Simulation

Original

#343166

Protanopia

#333359

Deuteranopia

#333356

Tritanopia

#344F4D

Achromatopsia

#353535

CSS Usage

background-color: #343166;
color: #343166;
border-color: #343166;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5FA
100
#E8E8F2
200
#D0CFE8
300
#AFACD7
400
#8380C2
500
#5853AC
600
#46428A
700
#38356E
800
#2C2956
900
#232140
950
#161528

Contrast Checker

Text on white

11.82:1

AA Pass AAA Pass

Text on black

1.78:1

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