#3F708C

#3F708C

Color Values

HEX

#3F708C

RGB

63, 112, 140

HSL

201.8, 37.9%, 39.8%

HSV

201.8, 55.0%, 54.9%

CMYK

55.0%, 20.0%, 0.0%, 45.1%

OKLCH

0.5223 0.0692 235.3

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#3F708C

#8C5B3F

Analogous

#3F8C81

#3F4A8C

#3F708C

Triadic

#3F708C

#8C3F70

#708C3F

Split Complementary

#3F708C

#8C3F4A

#8C813F

Tetradic

#3F708C

#813F8C

#8C5B3F

#4A8C3F

Color Blindness Simulation

Original

#3F708C

Protanopia

#545585

Deuteranopia

#514E84

Tritanopia

#41807F

Achromatopsia

#686868

CSS Usage

background-color: #3F708C;
color: #3F708C;
border-color: #3F708C;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F5F8FA
100
#E7EFF3
200
#CEDFE9
300
#ABC8D9
400
#7DAAC4
500
#4F8DB0
600
#3F718D
700
#335A71
800
#284658
900
#203541
950
#142129

Contrast Checker

Text on white

5.37:1

AA Pass AAA Fail

Text on black

3.91:1

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