#42585D

#42585D

Color Values

HEX

#42585D

RGB

66, 88, 93

HSL

191.1, 17.0%, 31.2%

HSV

191.1, 29.0%, 36.5%

CMYK

29.0%, 5.4%, 0.0%, 63.5%

OKLCH

0.4442 0.028 213.2

Properties

Cool Dark Nearest: RAL 7012 Basalt Grey

Color Harmonies

Complementary

#42585D

#5D4742

Analogous

#425D55

#424B5D

#42585D

Triadic

#42585D

#5D4258

#585D42

Split Complementary

#42585D

#5D424B

#5D5542

Tetradic

#42585D

#55425D

#5D4742

#4B5D42

Color Blindness Simulation

Original

#42585D

Protanopia

#4C4C5C

Deuteranopia

#4A495C

Tritanopia

#435B5B

Achromatopsia

#545454

CSS Usage

background-color: #42585D;
color: #42585D;
border-color: #42585D;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F8F8
100
#EBEFF0
200
#D5DFE1
300
#B7C8CC
400
#91ABB1
500
#6A8D95
600
#557177
700
#445A5F
800
#35474B
900
#293538
950
#1A2223

Contrast Checker

Text on white

7.54:1

AA Pass AAA Pass

Text on black

2.79:1

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