#3F5667

#3F5667

Color Values

HEX

#3F5667

RGB

63, 86, 103

HSL

205.5, 24.1%, 32.5%

HSV

205.5, 38.8%, 40.4%

CMYK

38.8%, 16.5%, 0.0%, 59.6%

OKLCH

0.4413 0.0397 240.8

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3F5667

#67503F

Analogous

#3F6764

#3F4267

#3F5667

Triadic

#3F5667

#673F56

#56673F

Split Complementary

#3F5667

#673F42

#67643F

Tetradic

#3F5667

#643F67

#67503F

#42673F

Color Blindness Simulation

Original

#3F5667

Protanopia

#494963

Deuteranopia

#484662

Tritanopia

#40605F

Achromatopsia

#525252

CSS Usage

background-color: #3F5667;
color: #3F5667;
border-color: #3F5667;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D3DDE4
300
#B3C4D1
400
#8AA4B7
500
#61849E
600
#4D6A7F
700
#3E5565
800
#30424F
900
#26323B
950
#182025

Contrast Checker

Text on white

7.67:1

AA Pass AAA Pass

Text on black

2.74:1

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