#343B91

#343B91

Color Values

HEX

#343B91

RGB

52, 59, 145

HSL

235.5, 47.2%, 38.6%

HSV

235.5, 64.1%, 56.9%

CMYK

64.1%, 59.3%, 0.0%, 43.1%

OKLCH

0.3993 0.14 274.6

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#343B91

#918A34

Analogous

#346991

#5B3491

#343B91

Triadic

#343B91

#91343B

#3B9134

Split Complementary

#343B91

#915B34

#699134

Tetradic

#343B91

#913469

#918A34

#34915B

Color Blindness Simulation

Original

#343B91

Protanopia

#37377C

Deuteranopia

#373677

Tritanopia

#346C68

Achromatopsia

#404040

CSS Usage

background-color: #343B91;
color: #343B91;
border-color: #343B91;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CACDEC
300
#A5A9DF
400
#747BCD
500
#434CBC
600
#363D96
700
#2B3178
800
#22265E
900
#1C1F45
950
#12142C

Contrast Checker

Text on white

9.63:1

AA Pass AAA Pass

Text on black

2.18:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026