#403E97

#403E97

Color Values

HEX

#403E97

RGB

64, 62, 151

HSL

241.3, 41.8%, 41.8%

HSV

241.3, 58.9%, 59.2%

CMYK

57.6%, 58.9%, 0.0%, 40.8%

OKLCH

0.4187 0.1417 279.3

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#403E97

#95973E

Analogous

#3E6997

#6D3E97

#403E97

Triadic

#403E97

#97403E

#3E9740

Split Complementary

#403E97

#976D3E

#69973E

Tetradic

#403E97

#973E69

#95973E

#3E976D

Color Blindness Simulation

Original

#403E97

Protanopia

#3F3F81

Deuteranopia

#3F3F7C

Tritanopia

#40706D

Achromatopsia

#454545

CSS Usage

background-color: #403E97;
color: #403E97;
border-color: #403E97;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CDCCEA
300
#A9A8DB
400
#7B79C8
500
#4D4AB5
600
#3D3B91
700
#312F74
800
#26255A
900
#1F1E43
950
#14132A

Contrast Checker

Text on white

8.92:1

AA Pass AAA Pass

Text on black

2.35:1

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