#42429C

#42429C

Color Values

HEX

#42429C

RGB

66, 66, 156

HSL

240.0, 40.5%, 43.5%

HSV

240.0, 57.7%, 61.2%

CMYK

57.7%, 57.7%, 0.0%, 38.8%

OKLCH

0.4318 0.1429 278.6

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#42429C

#9C9C42

Analogous

#426F9C

#6F429C

#42429C

Triadic

#42429C

#9C4242

#429C42

Split Complementary

#42429C

#9C6F42

#6F9C42

Tetradic

#42429C

#9C426F

#9C9C42

#429C6F

Color Blindness Simulation

Original

#42429C

Protanopia

#424286

Deuteranopia

#424281

Tritanopia

#427571

Achromatopsia

#484848

CSS Usage

background-color: #42429C;
color: #42429C;
border-color: #42429C;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CDCDEA
300
#A9A9DB
400
#7A7AC7
500
#4C4CB3
600
#3D3D8F
700
#313173
800
#26265A
900
#1F1F42
950
#13132A

Contrast Checker

Text on white

8.43:1

AA Pass AAA Pass

Text on black

2.49:1

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