#423EB8

#423EB8

Color Values

HEX

#423EB8

RGB

66, 62, 184

HSL

242,0, 49,6%, 48,2%

HSV

242,0, 66,3%, 72,2%

CMYK

64,1%, 66,3%, 0,0%, 27,8%

OKLCH

0,4483 0,1858 277,3

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#423EB8

#B4B83E

Analogous

#3E77B8

#7F3EB8

#423EB8

Triadic

#423EB8

#B8423E

#3EB842

Split Complementary

#423EB8

#B87F3E

#77B83E

Tetradic

#423EB8

#B83E77

#B4B83E

#3EB87F

Color Blindness Simulation

Original

#423EB8

Protanopia

#40409B

Deuteranopia

#404193

Tritanopia

#42837E

Achromatopsia

#484848

CSS Usage

background-color: #423EB8;
color: #423EB8;
border-color: #423EB8;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CBCAED
300
#A5A3E0
400
#7572CF
500
#4440BF
600
#373399
700
#2C297A
800
#22205F
900
#1C1B46
950
#12112C

Contrast Checker

Text on white

8,04:1

AA Pass AAA Pass

Text on black

2,61:1

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