#3F5F74

#3F5F74

Color Values

HEX

#3F5F74

RGB

63, 95, 116

HSL

203.8, 29.6%, 35.1%

HSV

203.8, 45.7%, 45.5%

CMYK

45.7%, 18.1%, 0.0%, 54.5%

OKLCH

0.4694 0.0507 238.0

Properties

Cool Dark Nearest: RAL 5025 Pearl Gentian Blue

Color Harmonies

Complementary

#3F5F74

#74543F

Analogous

#3F746F

#3F4474

#3F5F74

Triadic

#3F5F74

#743F5F

#5F743F

Split Complementary

#3F5F74

#743F44

#746F3F

Tetradic

#3F5F74

#6F3F74

#74543F

#44743F

Color Blindness Simulation

Original

#3F5F74

Protanopia

#4D4D6F

Deuteranopia

#4B496E

Tritanopia

#416B6A

Achromatopsia

#5A5A5A

CSS Usage

background-color: #3F5F74;
color: #3F5F74;
border-color: #3F5F74;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F8F9
100
#E9EEF2
200
#D1DDE6
300
#B0C6D4
400
#85A6BD
500
#5A87A5
600
#486C84
700
#39576A
800
#2D4453
900
#24333D
950
#162027

Contrast Checker

Text on white

6.77:1

AA Pass AAA Fail

Text on black

3.1:1

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