#3F7198

#3F7198

Color Values

HEX

#3F7198

RGB

63, 113, 152

HSL

206.3, 41.4%, 42.2%

HSV

206.3, 58.6%, 59.6%

CMYK

58.6%, 25.7%, 0.0%, 40.4%

OKLCH

0.5305 0.0821 243.8

Properties

Cool Dark Nearest: steelblue 4

Color Harmonies

Complementary

#3F7198

#98663F

Analogous

#3F9893

#3F4598

#3F7198

Triadic

#3F7198

#983F71

#71983F

Split Complementary

#3F7198

#983F45

#98933F

Tetradic

#3F7198

#933F98

#98663F

#45983F

Color Blindness Simulation

Original

#3F7198

Protanopia

#55558F

Deuteranopia

#524E8C

Tritanopia

#428785

Achromatopsia

#696969

CSS Usage

background-color: #3F7198;
color: #3F7198;
border-color: #3F7198;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F8FA
100
#E7EEF3
200
#CDDDEA
300
#A8C5DB
400
#7AA5C8
500
#4B86B4
600
#3C6B90
700
#305673
800
#25435A
900
#1E3343
950
#13202A

Contrast Checker

Text on white

5.22:1

AA Pass AAA Fail

Text on black

4.03:1

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