#343B90

#343B90

Color Values

HEX

#343B90

RGB

52, 59, 144

HSL

235.4, 46.9%, 38.4%

HSV

235.4, 63.9%, 56.5%

CMYK

63.9%, 59.0%, 0.0%, 43.5%

OKLCH

0.3985 0.1386 274.6

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#343B90

#908934

Analogous

#346990

#5B3490

#343B90

Triadic

#343B90

#90343B

#3B9034

Split Complementary

#343B90

#905B34

#699034

Tetradic

#343B90

#903469

#908934

#34905B

Color Blindness Simulation

Original

#343B90

Protanopia

#37377B

Deuteranopia

#373676

Tritanopia

#346B68

Achromatopsia

#404040

CSS Usage

background-color: #343B90;
color: #343B90;
border-color: #343B90;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCDEC
300
#A5A9DF
400
#747BCD
500
#444DBB
600
#363D96
700
#2B3178
800
#22265E
900
#1C1F45
950
#12142C

Contrast Checker

Text on white

9.66:1

AA Pass AAA Pass

Text on black

2.17:1

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