#3738CE

#3738CE

Color Values

HEX

#3738CE

RGB

55, 56, 206

HSL

239.6, 60.6%, 51.2%

HSV

239.6, 73.3%, 80.8%

CMYK

73.3%, 72.8%, 0.0%, 19.2%

OKLCH

0.4531 0.2223 272.8

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3738CE

#CECD37

Analogous

#3784CE

#8237CE

#3738CE

Triadic

#3738CE

#CE3738

#38CE37

Split Complementary

#3738CE

#CE8237

#84CE37

Tetradic

#3738CE

#CE3784

#CECD37

#37CE82

Color Blindness Simulation

Original

#3738CE

Protanopia

#3737AA

Deuteranopia

#3737A1

Tritanopia

#378D87

Achromatopsia

#434343

CSS Usage

background-color: #3738CE;
color: #3738CE;
border-color: #3738CE;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FB
100
#E4E4F6
200
#C6C6F1
300
#9D9DE7
400
#6768DA
500
#3233CD
600
#2829A4
700
#202183
800
#191A66
900
#16164B
950
#0E0E2F

Contrast Checker

Text on white

8.02:1

AA Pass AAA Pass

Text on black

2.62:1

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