#3F4398

#3F4398

Color Values

HEX

#3F4398

RGB

63, 67, 152

HSL

237.3, 41.4%, 42.2%

HSV

237.3, 58.6%, 59.6%

CMYK

58.6%, 55.9%, 0.0%, 40.4%

OKLCH

0.4283 0.1365 276.9

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#3F4398

#98943F

Analogous

#3F7098

#683F98

#3F4398

Triadic

#3F4398

#983F43

#43983F

Split Complementary

#3F4398

#98683F

#70983F

Tetradic

#3F4398

#983F70

#98943F

#3F9868

Color Blindness Simulation

Original

#3F4398

Protanopia

#414183

Deuteranopia

#40407E

Tritanopia

#3F7370

Achromatopsia

#484848

CSS Usage

background-color: #3F4398;
color: #3F4398;
border-color: #3F4398;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CDCEEA
300
#A8ABDB
400
#7A7DC8
500
#4B4FB4
600
#3C4090
700
#303373
800
#25285A
900
#1E2043
950
#13142A

Contrast Checker

Text on white

8.51:1

AA Pass AAA Pass

Text on black

2.47:1

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