#3F4298

#3F4298

Color Values

HEX

#3F4298

RGB

63, 66, 152

HSL

238.0, 41.4%, 42.2%

HSV

238.0, 58.6%, 59.6%

CMYK

58.6%, 56.6%, 0.0%, 40.4%

OKLCH

0.4264 0.1379 277.3

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#3F4298

#98953F

Analogous

#3F6F98

#693F98

#3F4298

Triadic

#3F4298

#983F42

#42983F

Split Complementary

#3F4298

#98693F

#6F983F

Tetradic

#3F4298

#983F6F

#98953F

#3F9869

Color Blindness Simulation

Original

#3F4298

Protanopia

#404083

Deuteranopia

#40407E

Tritanopia

#3F736F

Achromatopsia

#484848

CSS Usage

background-color: #3F4298;
color: #3F4298;
border-color: #3F4298;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CDCEEA
300
#A8AADB
400
#7A7CC8
500
#4B4EB4
600
#3C3F90
700
#303273
800
#25275A
900
#1E2043
950
#13142A

Contrast Checker

Text on white

8.59:1

AA Pass AAA Pass

Text on black

2.44:1

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