#42374F

#42374F

Color Values

HEX

#42374F

RGB

66, 55, 79

HSL

267.5, 17.9%, 26.3%

HSV

267.5, 30.4%, 31.0%

CMYK

16.5%, 30.4%, 0.0%, 69.0%

OKLCH

0.3585 0.043 305.3

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#42374F

#444F37

Analogous

#37384F

#4E374F

#42374F

Triadic

#42374F

#4F4237

#374F42

Split Complementary

#42374F

#4F4E37

#384F37

Tetradic

#42374F

#4F3738

#444F37

#374F4E

Color Blindness Simulation

Original

#42374F

Protanopia

#3D3D49

Deuteranopia

#3E3F48

Tritanopia

#414544

Achromatopsia

#3B3B3B

CSS Usage

background-color: #42374F;
color: #42374F;
border-color: #42374F;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F7F6F9
100
#EDEAF0
200
#DBD5E2
300
#C1B7CD
400
#9F90B2
500
#7E6996
600
#645478
700
#504360
800
#3F344B
900
#302938
950
#1E1A24

Contrast Checker

Text on white

11.11:1

AA Pass AAA Pass

Text on black

1.89:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026