#3F8CCC

#3F8CCC

Color Values

HEX

#3F8CCC

RGB

63, 140, 204

HSL

207.2, 58.0%, 52.4%

HSV

207.2, 69.1%, 80.0%

CMYK

69.1%, 31.4%, 0.0%, 20.0%

OKLCH

0.6208 0.1231 246.6

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3F8CCC

#CC7F3F

Analogous

#3FCCC5

#3F46CC

#3F8CCC

Triadic

#3F8CCC

#CC3F8C

#8CCC3F

Split Complementary

#3F8CCC

#CC3F46

#CCC53F

Tetradic

#3F8CCC

#C53FCC

#CC7F3F

#46CC3F

Color Blindness Simulation

Original

#3F8CCC

Protanopia

#6061BD

Deuteranopia

#5C56B9

Tritanopia

#43B0AE

Achromatopsia

#808080

CSS Usage

background-color: #3F8CCC;
color: #3F8CCC;
border-color: #3F8CCC;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F8FB
100
#E4EEF6
200
#C7DDF0
300
#9EC5E5
400
#6AA6D7
500
#3686C9
600
#2B6CA1
700
#225681
800
#1B4365
900
#17334A
950
#0F202F

Contrast Checker

Text on white

3.6:1

AA Fail AAA Fail

Text on black

5.83:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

2월 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

2월 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

2월 19, 2026