#42657D

#42657D

Color Values

HEX

#42657D

RGB

66, 101, 125

HSL

204.4, 30.9%, 37.5%

HSV

204.4, 47.2%, 49.0%

CMYK

47.2%, 19.2%, 0.0%, 51.0%

OKLCH

0.4901 0.0558 239.4

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#42657D

#7D5A42

Analogous

#427D78

#42487D

#42657D

Triadic

#42657D

#7D4265

#657D42

Split Complementary

#42657D

#7D4248

#7D7842

Tetradic

#42657D

#78427D

#7D5A42

#487D42

Color Blindness Simulation

Original

#42657D

Protanopia

#515177

Deuteranopia

#4F4C76

Tritanopia

#447372

Achromatopsia

#5F5F5F

CSS Usage

background-color: #42657D;
color: #42657D;
border-color: #42657D;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F8F9
100
#E8EEF2
200
#D0DDE6
300
#AFC5D5
400
#83A6BE
500
#5887A7
600
#466C86
700
#38566B
800
#2C4353
900
#23333E
950
#162027

Contrast Checker

Text on white

6.2:1

AA Pass AAA Fail

Text on black

3.39:1

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