#403E89

#403E89

Color Values

HEX

#403E89

RGB

64, 62, 137

HSL

241.6, 37.7%, 39.0%

HSV

241.6, 54.7%, 53.7%

CMYK

53.3%, 54.7%, 0.0%, 46.3%

OKLCH

0.4079 0.1215 280.8

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#403E89

#87893E

Analogous

#3E6189

#653E89

#403E89

Triadic

#403E89

#89403E

#3E8940

Split Complementary

#403E89

#89653E

#61893E

Tetradic

#403E89

#893E61

#87893E

#3E8965

Color Blindness Simulation

Original

#403E89

Protanopia

#3F3F77

Deuteranopia

#3F3F72

Tritanopia

#406965

Achromatopsia

#444444

CSS Usage

background-color: #403E89;
color: #403E89;
border-color: #403E89;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E7F3
200
#CFCEE9
300
#ACABD9
400
#7F7DC4
500
#524FB0
600
#42408C
700
#343370
800
#292858
900
#212041
950
#151429

Contrast Checker

Text on white

9.26:1

AA Pass AAA Pass

Text on black

2.27:1

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