#403289

#403289

Color Values

HEX

#403289

RGB

64, 50, 137

HSL

249.7, 46.5%, 36.7%

HSV

249.7, 63.5%, 53.7%

CMYK

53.3%, 63.5%, 0.0%, 46.3%

OKLCH

0.3856 0.1387 285.2

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#403289

#7B8932

Analogous

#325089

#6C3289

#403289

Triadic

#403289

#894032

#328940

Split Complementary

#403289

#896C32

#508932

Tetradic

#403289

#893250

#7B8932

#32896C

Color Blindness Simulation

Original

#403289

Protanopia

#3A3A74

Deuteranopia

#3B3C6F

Tritanopia

#3F6360

Achromatopsia

#3B3B3B

CSS Usage

background-color: #403289;
color: #403289;
border-color: #403289;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FA
100
#E8E6F4
200
#D0CBEC
300
#AFA5DE
400
#8375CD
500
#5744BB
600
#463795
700
#382C78
800
#2C225D
900
#231C45
950
#16122B

Contrast Checker

Text on white

10.32:1

AA Pass AAA Pass

Text on black

2.04:1

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