#42399C

#42399C

Color Values

HEX

#42399C

RGB

66, 57, 156

HSL

245.5, 46.5%, 41.8%

HSV

245.5, 63.5%, 61.2%

CMYK

57.7%, 63.5%, 0.0%, 38.8%

OKLCH

0.4154 0.155 281.4

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#42399C

#939C39

Analogous

#39629C

#74399C

#42399C

Triadic

#42399C

#9C4239

#399C42

Split Complementary

#42399C

#9C7439

#629C39

Tetradic

#42399C

#9C3962

#939C39

#399C74

Color Blindness Simulation

Original

#42399C

Protanopia

#3E3E84

Deuteranopia

#3F3F7E

Tritanopia

#42716D

Achromatopsia

#424242

CSS Usage

background-color: #42399C;
color: #42399C;
border-color: #42399C;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CECBEC
300
#ABA5DE
400
#7D75CD
500
#4F44BB
600
#3F3795
700
#332C78
800
#28225D
900
#201C45
950
#14122B

Contrast Checker

Text on white

9.14:1

AA Pass AAA Pass

Text on black

2.3:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026