#3742CE

#3742CE

Color Values

HEX

#3742CE

RGB

55, 66, 206

HSL

235.6, 60.6%, 51.2%

HSV

235.6, 73.3%, 80.8%

CMYK

73.3%, 68.0%, 0.0%, 19.2%

OKLCH

0.4683 0.2119 271.6

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3742CE

#CEC337

Analogous

#378ECE

#7737CE

#3742CE

Triadic

#3742CE

#CE3742

#42CE37

Split Complementary

#3742CE

#CE7737

#8ECE37

Tetradic

#3742CE

#CE378E

#CEC337

#37CE77

Color Blindness Simulation

Original

#3742CE

Protanopia

#3C3CAC

Deuteranopia

#3B3AA4

Tritanopia

#38918C

Achromatopsia

#4A4A4A

CSS Usage

background-color: #3742CE;
color: #3742CE;
border-color: #3742CE;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F4FB
100
#E4E5F6
200
#C6C9F1
300
#9DA2E7
400
#6770DA
500
#323ECD
600
#2831A4
700
#202783
800
#191F66
900
#161A4B
950
#0E102F

Contrast Checker

Text on white

7.41:1

AA Pass AAA Pass

Text on black

2.83:1

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