#343757

#343757

Color Values

HEX

#343757

RGB

52, 55, 87

HSL

234.9, 25.2%, 27.3%

HSV

234.9, 40.2%, 34.1%

CMYK

40.2%, 36.8%, 0.0%, 65.9%

OKLCH

0.3491 0.0558 279.0

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#343757

#575434

Analogous

#344957

#433457

#343757

Triadic

#343757

#573437

#375734

Split Complementary

#343757

#574334

#495734

Tetradic

#343757

#573449

#575434

#345743

Color Blindness Simulation

Original

#343757

Protanopia

#35354F

Deuteranopia

#35354D

Tritanopia

#344948

Achromatopsia

#393939

CSS Usage

background-color: #343757;
color: #343757;
border-color: #343757;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D2D4E4
300
#B2B5D1
400
#898DB8
500
#5F65A0
600
#4C5180
700
#3D4166
800
#303250
900
#25273B
950
#181926

Contrast Checker

Text on white

11.47:1

AA Pass AAA Pass

Text on black

1.83:1

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