#42459D

#42459D

Color Values

HEX

#42459D

RGB

66, 69, 157

HSL

238.0, 40.8%, 43.7%

HSV

238.0, 58.0%, 61.6%

CMYK

58.0%, 56.1%, 0.0%, 38.4%

OKLCH

0.4383 0.1402 277.4

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#42459D

#9D9A42

Analogous

#42729D

#6C429D

#42459D

Triadic

#42459D

#9D4245

#459D42

Split Complementary

#42459D

#9D6C42

#729D42

Tetradic

#42459D

#9D4272

#9D9A42

#429D6C

Color Blindness Simulation

Original

#42459D

Protanopia

#434388

Deuteranopia

#434383

Tritanopia

#427773

Achromatopsia

#4B4B4B

CSS Usage

background-color: #42459D;
color: #42459D;
border-color: #42459D;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CDCEEA
300
#A9AADB
400
#7A7DC7
500
#4B4FB4
600
#3C3F90
700
#303373
800
#26275A
900
#1F2042
950
#13142A

Contrast Checker

Text on white

8.17:1

AA Pass AAA Pass

Text on black

2.57:1

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