#3739BA

#3739BA

Color Values

HEX

#3739BA

RGB

55, 57, 186

HSL

239.1, 54.4%, 47.3%

HSV

239.1, 70.4%, 72.9%

CMYK

70.4%, 69.4%, 0.0%, 27.1%

OKLCH

0.4348 0.1966 273.9

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3739BA

#BAB837

Analogous

#377BBA

#7737BA

#3739BA

Triadic

#3739BA

#BA3739

#39BA37

Split Complementary

#3739BA

#BA7737

#7BBA37

Tetradic

#3739BA

#BA377B

#BAB837

#37BA77

Color Blindness Simulation

Original

#3739BA

Protanopia

#38389B

Deuteranopia

#383893

Tritanopia

#37827D

Achromatopsia

#424242

CSS Usage

background-color: #3739BA;
color: #3739BA;
border-color: #3739BA;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E5E5F5
200
#C8C8EF
300
#A1A2E3
400
#6D6FD4
500
#3A3CC5
600
#2F309D
700
#25277E
800
#1D1E62
900
#191948
950
#10102E

Contrast Checker

Text on white

8.55:1

AA Pass AAA Pass

Text on black

2.46:1

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