#3F6370

#3F6370

Color Values

HEX

#3F6370

RGB

63, 99, 112

HSL

195.9, 28.0%, 34.3%

HSV

195.9, 43.7%, 43.9%

CMYK

43.7%, 11.6%, 0.0%, 56.1%

OKLCH

0.4777 0.0462 222.8

Properties

Cool Dark Nearest: RAL 5025 Pearl Gentian Blue

Color Harmonies

Complementary

#3F6370

#704C3F

Analogous

#3F7064

#3F4A70

#3F6370

Triadic

#3F6370

#703F63

#63703F

Split Complementary

#3F6370

#703F4A

#70643F

Tetradic

#3F6370

#643F70

#704C3F

#4A703F

Color Blindness Simulation

Original

#3F6370

Protanopia

#4F4F6D

Deuteranopia

#4C4A6C

Tritanopia

#416A6A

Achromatopsia

#5C5C5C

CSS Usage

background-color: #3F6370;
color: #3F6370;
border-color: #3F6370;
Nearest Tailwind: Cyan 800 #155E75

Tailwind Shades

50
#F6F8F9
100
#E9EFF1
200
#D1E0E5
300
#B1CAD3
400
#86ADBB
500
#5C90A3
600
#497383
700
#3B5C68
800
#2E4852
900
#24363D
950
#172226

Contrast Checker

Text on white

6.5:1

AA Pass AAA Fail

Text on black

3.23:1

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