#42575C

#42575C

Color Values

HEX

#42575C

RGB

66, 87, 92

HSL

191.5, 16.5%, 31.0%

HSV

191.5, 28.3%, 36.1%

CMYK

28.3%, 5.4%, 0.0%, 63.9%

OKLCH

0.4413 0.0269 213.9

Properties

Cool Dark Nearest: RAL 7012 Basalt Grey

Color Harmonies

Complementary

#42575C

#5C4742

Analogous

#425C54

#424A5C

#42575C

Triadic

#42575C

#5C4257

#575C42

Split Complementary

#42575C

#5C424A

#5C5442

Tetradic

#42575C

#54425C

#5C4742

#4A5C42

Color Blindness Simulation

Original

#42575C

Protanopia

#4B4B5B

Deuteranopia

#4A485A

Tritanopia

#435A5A

Achromatopsia

#535353

CSS Usage

background-color: #42575C;
color: #42575C;
border-color: #42575C;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F8F8
100
#EBEFF0
200
#D5DFE1
300
#B8C8CC
400
#91AAB0
500
#6A8C95
600
#557077
700
#445A5F
800
#35464A
900
#293538
950
#1A2123

Contrast Checker

Text on white

7.64:1

AA Pass AAA Pass

Text on black

2.75:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026