#3F657F

#3F657F

Color Values

HEX

#3F657F

RGB

63, 101, 127

HSL

204.4, 33.7%, 37.3%

HSV

204.4, 50.4%, 49.8%

CMYK

50.4%, 20.5%, 0.0%, 50.2%

OKLCH

0.4893 0.0602 239.6

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#3F657F

#7F593F

Analogous

#3F7F79

#3F457F

#3F657F

Triadic

#3F657F

#7F3F65

#657F3F

Split Complementary

#3F657F

#7F3F45

#7F793F

Tetradic

#3F657F

#793F7F

#7F593F

#457F3F

Color Blindness Simulation

Original

#3F657F

Protanopia

#4F5079

Deuteranopia

#4D4A77

Tritanopia

#417473

Achromatopsia

#5F5F5F

CSS Usage

background-color: #3F657F;
color: #3F657F;
border-color: #3F657F;
Nearest Tailwind: Cyan 800 #155E75

Tailwind Shades

50
#F5F8FA
100
#E8EEF2
200
#CFDEE7
300
#ADC6D6
400
#81A7C0
500
#5588AA
600
#446C88
700
#36576D
800
#2A4455
900
#22333F
950
#152028

Contrast Checker

Text on white

6.21:1

AA Pass AAA Fail

Text on black

3.38:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

ม.ค. 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

ม.ค. 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

ม.ค. 18, 2026