#343B52

#343B52

Color Values

HEX

#343B52

RGB

52, 59, 82

HSL

226.0, 22.4%, 26.3%

HSV

226.0, 36.6%, 32.2%

CMYK

36.6%, 28.0%, 0.0%, 67.8%

OKLCH

0.356 0.0412 271.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#343B52

#524B34

Analogous

#344A52

#3C3452

#343B52

Triadic

#343B52

#52343B

#3B5234

Split Complementary

#343B52

#523C34

#4A5234

Tetradic

#343B52

#52344A

#524B34

#34523C

Color Blindness Simulation

Original

#343B52

Protanopia

#37374C

Deuteranopia

#37364B

Tritanopia

#344847

Achromatopsia

#3B3B3B

CSS Usage

background-color: #343B52;
color: #343B52;
border-color: #343B52;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F7F9
100
#EAEBF1
200
#D3D7E3
300
#B4BAD0
400
#8C95B6
500
#63709C
600
#4F5A7D
700
#3F4864
800
#31384E
900
#272B3A
950
#181B25

Contrast Checker

Text on white

11.09:1

AA Pass AAA Pass

Text on black

1.89:1

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