#3F7F81

#3F7F81

Color Values

HEX

#3F7F81

RGB

63, 127, 129

HSL

181.8, 34.4%, 37.6%

HSV

181.8, 51.2%, 50.6%

CMYK

51.2%, 1.6%, 0.0%, 49.4%

OKLCH

0.5552 0.0657 198.1

Properties

Cool Dark Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#3F7F81

#81413F

Analogous

#3F8162

#3F5E81

#3F7F81

Triadic

#3F7F81

#813F7F

#7F813F

Split Complementary

#3F7F81

#813F5E

#81623F

Tetradic

#3F7F81

#623F81

#81413F

#5E813F

Color Blindness Simulation

Original

#3F7F81

Protanopia

#5B5B81

Deuteranopia

#575280

Tritanopia

#428080

Achromatopsia

#727272

CSS Usage

background-color: #3F7F81;
color: #3F7F81;
border-color: #3F7F81;
Nearest Tailwind: Teal 700 #0F766E

Tailwind Shades

50
#F5F9FA
100
#E8F2F2
200
#CFE7E8
300
#ADD6D7
400
#80BFC1
500
#54A9AB
600
#438789
700
#366C6E
800
#2A5456
900
#213F3F
950
#152828

Contrast Checker

Text on white

4.6:1

AA Pass AAA Fail

Text on black

4.56:1

AA Pass 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