#42428C

#42428C

Color Values

HEX

#42428C

RGB

66, 66, 140

HSL

240.0, 35.9%, 40.4%

HSV

240.0, 52.9%, 54.9%

CMYK

52.9%, 52.9%, 0.0%, 45.1%

OKLCH

0.4197 0.1197 279.9

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#42428C

#8C8C42

Analogous

#42678C

#67428C

#42428C

Triadic

#42428C

#8C4242

#428C42

Split Complementary

#42428C

#8C6742

#678C42

Tetradic

#42428C

#8C4267

#8C8C42

#428C67

Color Blindness Simulation

Original

#42428C

Protanopia

#42427A

Deuteranopia

#424276

Tritanopia

#426C69

Achromatopsia

#474747

CSS Usage

background-color: #42428C;
color: #42428C;
border-color: #42428C;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F3
200
#CECEE8
300
#ACACD8
400
#7F7FC3
500
#5252AD
600
#41418B
700
#34346F
800
#292957
900
#212140
950
#151528

Contrast Checker

Text on white

8.79:1

AA Pass AAA Pass

Text on black

2.39:1

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