#423DB3

#423DB3

Color Values

HEX

#423DB3

RGB

66, 61, 179

HSL

242.5, 49.2%, 47.1%

HSV

242.5, 65.9%, 70.2%

CMYK

63.1%, 65.9%, 0.0%, 29.8%

OKLCH

0.4422 0.1805 277.9

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#423DB3

#AEB33D

Analogous

#3D73B3

#7D3DB3

#423DB3

Triadic

#423DB3

#B3423D

#3DB342

Split Complementary

#423DB3

#B37D3D

#73B33D

Tetradic

#423DB3

#B33D73

#AEB33D

#3DB37D

Color Blindness Simulation

Original

#423DB3

Protanopia

#404096

Deuteranopia

#404090

Tritanopia

#42807B

Achromatopsia

#474747

CSS Usage

background-color: #423DB3;
color: #423DB3;
border-color: #423DB3;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CBCAED
300
#A6A4E0
400
#7672CF
500
#4641BE
600
#383498
700
#2D297A
800
#23205F
900
#1D1B46
950
#12112C

Contrast Checker

Text on white

8.24:1

AA Pass AAA Pass

Text on black

2.55:1

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