#40398B

#40398B

Color Values

HEX

#40398B

RGB

64, 57, 139

HSL

245.1, 41.8%, 38.4%

HSV

245.1, 59.0%, 54.5%

CMYK

54.0%, 59.0%, 0.0%, 45.5%

OKLCH

0.3998 0.1317 282.5

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#40398B

#848B39

Analogous

#395B8B

#69398B

#40398B

Triadic

#40398B

#8B4039

#398B40

Split Complementary

#40398B

#8B6939

#5B8B39

Tetradic

#40398B

#8B395B

#848B39

#398B69

Color Blindness Simulation

Original

#40398B

Protanopia

#3D3D77

Deuteranopia

#3D3E72

Tritanopia

#406764

Achromatopsia

#404040

CSS Usage

background-color: #40398B;
color: #40398B;
border-color: #40398B;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F5FA
100
#E8E7F3
200
#CFCCEA
300
#ADA8DB
400
#8079C8
500
#534AB5
600
#433B91
700
#352F74
800
#2A255A
900
#211E43
950
#15132A

Contrast Checker

Text on white

9.65:1

AA Pass AAA Pass

Text on black

2.18:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026