#42438F

#42438F

Color Values

HEX

#42438F

RGB

66, 67, 143

HSL

239.2, 36.8%, 41.0%

HSV

239.2, 53.8%, 56.1%

CMYK

53.8%, 53.1%, 0.0%, 43.9%

OKLCH

0.4239 0.1227 279.2

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#42438F

#8F8E42

Analogous

#426A8F

#68428F

#42438F

Triadic

#42438F

#8F4243

#438F42

Split Complementary

#42438F

#8F6842

#6A8F42

Tetradic

#42438F

#8F426A

#8F8E42

#428F68

Color Blindness Simulation

Original

#42438F

Protanopia

#42427D

Deuteranopia

#424278

Tritanopia

#426E6B

Achromatopsia

#484848

CSS Usage

background-color: #42438F;
color: #42438F;
border-color: #42438F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F3
200
#CECFE8
300
#ABACD8
400
#7E7FC3
500
#5152AE
600
#40418C
700
#343470
800
#282957
900
#202140
950
#141529

Contrast Checker

Text on white

8.64:1

AA Pass AAA Pass

Text on black

2.43:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026