#343B64

#343B64

Color Values

HEX

#343B64

RGB

52, 59, 100

HSL

231.2, 31.6%, 29.8%

HSV

231.2, 48.0%, 39.2%

CMYK

48.0%, 41.0%, 0.0%, 60.8%

OKLCH

0.3663 0.0711 275.0

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#343B64

#645D34

Analogous

#345364

#453464

#343B64

Triadic

#343B64

#64343B

#3B6434

Split Complementary

#343B64

#644534

#536434

Tetradic

#343B64

#643453

#645D34

#346445

Color Blindness Simulation

Original

#343B64

Protanopia

#37375A

Deuteranopia

#373658

Tritanopia

#345251

Achromatopsia

#3C3C3C

CSS Usage

background-color: #343B64;
color: #343B64;
border-color: #343B64;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F6F9
100
#E8EAF2
200
#D0D3E7
300
#AEB4D5
400
#838CBE
500
#5763A8
600
#464F86
700
#383F6B
800
#2C3254
900
#23273E
950
#161827

Contrast Checker

Text on white

10.74:1

AA Pass AAA Pass

Text on black

1.96:1

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