#4042B8

#4042B8

Color Values

HEX

#4042B8

RGB

64, 66, 184

HSL

239.0, 48.4%, 48.6%

HSV

239.0, 65.2%, 72.2%

CMYK

65.2%, 64.1%, 0.0%, 27.8%

OKLCH

0.4536 0.1815 275.7

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#4042B8

#B8B640

Analogous

#407EB8

#7A40B8

#4042B8

Triadic

#4042B8

#B84042

#42B840

Split Complementary

#4042B8

#B87A40

#7EB840

Tetradic

#4042B8

#B8407E

#B8B640

#40B87A

Color Blindness Simulation

Original

#4042B8

Protanopia

#41419B

Deuteranopia

#414195

Tritanopia

#408580

Achromatopsia

#4A4A4A

CSS Usage

background-color: #4042B8;
color: #4042B8;
border-color: #4042B8;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CACBED
300
#A4A5DF
400
#7375CE
500
#4244BD
600
#353697
700
#2A2B79
800
#21225F
900
#1B1C46
950
#11122C

Contrast Checker

Text on white

7.81:1

AA Pass AAA Pass

Text on black

2.69:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026