#3F495B

#3F495B

Color Values

HEX

#3F495B

RGB

63, 73, 91

HSL

218.6, 18.2%, 30.2%

HSV

218.6, 30.8%, 35.7%

CMYK

30.8%, 19.8%, 0.0%, 64.3%

OKLCH

0.4038 0.0331 262.1

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3F495B

#5B513F

Analogous

#3F575B

#433F5B

#3F495B

Triadic

#3F495B

#5B3F49

#495B3F

Split Complementary

#3F495B

#5B433F

#575B3F

Tetradic

#3F495B

#5B3F57

#5B513F

#3F5B43

Color Blindness Simulation

Original

#3F495B

Protanopia

#434357

Deuteranopia

#434256

Tritanopia

#3F5352

Achromatopsia

#484848

CSS Usage

background-color: #3F495B;
color: #3F495B;
border-color: #3F495B;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D5D9E2
300
#B7BFCD
400
#8F9CB2
500
#687997
600
#536179
700
#434D60
800
#343C4B
900
#292E38
950
#1A1D24

Contrast Checker

Text on white

9.07:1

AA Pass AAA Pass

Text on black

2.32:1

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