#3E40BA

#3E40BA

Color Values

HEX

#3E40BA

RGB

62, 64, 186

HSL

239.0, 50.0%, 48.6%

HSV

239.0, 66.7%, 72.9%

CMYK

66.7%, 65.6%, 0.0%, 27.1%

OKLCH

0.4507 0.187 275.2

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#3E40BA

#BAB83E

Analogous

#3E7EBA

#7A3EBA

#3E40BA

Triadic

#3E40BA

#BA3E40

#40BA3E

Split Complementary

#3E40BA

#BA7A3E

#7EBA3E

Tetradic

#3E40BA

#BA3E7E

#BAB83E

#3EBA7A

Color Blindness Simulation

Original

#3E40BA

Protanopia

#3F3F9D

Deuteranopia

#3F3F95

Tritanopia

#3E8580

Achromatopsia

#484848

CSS Usage

background-color: #3E40BA;
color: #3E40BA;
border-color: #3E40BA;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#C9CAED
300
#A3A4E0
400
#7173D0
500
#4042BF
600
#333599
700
#292A7A
800
#202160
900
#1B1B46
950
#11112C

Contrast Checker

Text on white

7.93:1

AA Pass AAA Pass

Text on black

2.65:1

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