#343B8F

#343B8F

Color Values

HEX

#343B8F

RGB

52, 59, 143

HSL

235.4, 46.7%, 38.2%

HSV

235.4, 63.6%, 56.1%

CMYK

63.6%, 58.7%, 0.0%, 43.9%

OKLCH

0.3977 0.1372 274.7

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#343B8F

#8F8834

Analogous

#34688F

#5A348F

#343B8F

Triadic

#343B8F

#8F343B

#3B8F34

Split Complementary

#343B8F

#8F5A34

#688F34

Tetradic

#343B8F

#8F3468

#8F8834

#348F5A

Color Blindness Simulation

Original

#343B8F

Protanopia

#37377B

Deuteranopia

#373676

Tritanopia

#346B67

Achromatopsia

#404040

CSS Usage

background-color: #343B8F;
color: #343B8F;
border-color: #343B8F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCDEC
300
#A5AADE
400
#757BCD
500
#444DBB
600
#363E96
700
#2B3178
800
#22275E
900
#1C1F45
950
#12142B

Contrast Checker

Text on white

9.69:1

AA Pass AAA Pass

Text on black

2.17:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026