#4243EE

#4243EE

Color Values

HEX

#4243EE

RGB

66, 67, 238

HSL

239,7, 83,5%, 59,6%

HSV

239,7, 72,3%, 93,3%

CMYK

72,3%, 71,8%, 0,0%, 6,7%

OKLCH

0,5068 0,2467 273,0

Properties

Cool Dark Nearest: blueviolet

Color Harmonies

Complementary

#4243EE

#EEED42

Analogous

#4299EE

#9742EE

#4243EE

Triadic

#4243EE

#EE4243

#43EE42

Split Complementary

#4243EE

#EE9742

#99EE42

Tetradic

#4243EE

#EE4299

#EEED42

#42EE97

Color Blindness Simulation

Original

#4243EE

Protanopia

#4242C5

Deuteranopia

#4242BB

Tritanopia

#42A49D

Achromatopsia

#4F4F4F

CSS Usage

background-color: #4243EE;
color: #4243EE;
border-color: #4243EE;
Nearest Tailwind: Indigo 600 #4F46E5

Tailwind Shades

50
#F2F2FD
100
#E0E1FA
200
#BDBEF9
300
#8F8FF5
400
#5253EF
500
#1516EA
600
#1112BB
700
#0D0E96
800
#0B0B75
900
#0C0C55
950
#080836

Contrast Checker

Text on white

6,42:1

AA Pass AAA Fail

Text on black

3,27:1

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