#40429A

#40429A

Color Values

HEX

#40429A

RGB

64, 66, 154

HSL

238.7, 41.3%, 42.7%

HSV

238.7, 58.4%, 60.4%

CMYK

58.4%, 57.1%, 0.0%, 39.6%

OKLCH

0.4287 0.1405 277.7

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#40429A

#9A9840

Analogous

#406F9A

#6B409A

#40429A

Triadic

#40429A

#9A4042

#429A40

Split Complementary

#40429A

#9A6B40

#6F9A40

Tetradic

#40429A

#9A406F

#9A9840

#409A6B

Color Blindness Simulation

Original

#40429A

Protanopia

#414185

Deuteranopia

#414180

Tritanopia

#407470

Achromatopsia

#484848

CSS Usage

background-color: #40429A;
color: #40429A;
border-color: #40429A;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CDCDEA
300
#A9AADB
400
#7A7BC8
500
#4B4DB4
600
#3C3E90
700
#303173
800
#25275A
900
#1E1F42
950
#13142A

Contrast Checker

Text on white

8.52:1

AA Pass AAA Pass

Text on black

2.46:1

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