#423289

#423289

Color Values

HEX

#423289

RGB

66, 50, 137

HSL

251.0, 46.5%, 36.7%

HSV

251.0, 63.5%, 53.7%

CMYK

51.8%, 63.5%, 0.0%, 46.3%

OKLCH

0.3874 0.1385 286.4

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#423289

#798932

Analogous

#324E89

#6E3289

#423289

Triadic

#423289

#894232

#328942

Split Complementary

#423289

#896E32

#4E8932

Tetradic

#423289

#89324E

#798932

#32896E

Color Blindness Simulation

Original

#423289

Protanopia

#3B3B74

Deuteranopia

#3C3D6F

Tritanopia

#416360

Achromatopsia

#3C3C3C

CSS Usage

background-color: #423289;
color: #423289;
border-color: #423289;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FA
100
#E9E6F4
200
#D1CBEC
300
#B0A5DE
400
#8575CD
500
#5A44BB
600
#483795
700
#3A2C78
800
#2D225D
900
#241C45
950
#16122B

Contrast Checker

Text on white

10.25:1

AA Pass AAA Pass

Text on black

2.05:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026