#42374D

#42374D

Color Values

HEX

#42374D

RGB

66, 55, 77

HSL

270.0, 16.7%, 25.9%

HSV

270.0, 28.6%, 30.2%

CMYK

14.3%, 28.6%, 0.0%, 69.8%

OKLCH

0.3576 0.0399 307.2

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#42374D

#424D37

Analogous

#37374D

#4D374D

#42374D

Triadic

#42374D

#4D4237

#374D42

Split Complementary

#42374D

#4D4D37

#374D37

Tetradic

#42374D

#4D3737

#424D37

#374D4D

Color Blindness Simulation

Original

#42374D

Protanopia

#3D3D48

Deuteranopia

#3E3F46

Tritanopia

#414343

Achromatopsia

#3B3B3B

CSS Usage

background-color: #42374D;
color: #42374D;
border-color: #42374D;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F7F6F8
100
#EDEBF0
200
#DBD5E1
300
#C2B8CC
400
#A191B0
500
#806A95
600
#665577
700
#52445F
800
#40354A
900
#302938
950
#1F1A23

Contrast Checker

Text on white

11.14:1

AA Pass AAA Pass

Text on black

1.89:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026