#3B575B

#3B575B

Color Values

HEX

#3B575B

RGB

59, 87, 91

HSL

187.5, 21.3%, 29.4%

HSV

187.5, 35.2%, 35.7%

CMYK

35.2%, 4.4%, 0.0%, 64.3%

OKLCH

0.4362 0.034 207.1

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#3B575B

#5B3F3B

Analogous

#3B5B4F

#3B475B

#3B575B

Triadic

#3B575B

#5B3B57

#575B3B

Split Complementary

#3B575B

#5B3B47

#5B4F3B

Tetradic

#3B575B

#4F3B5B

#5B3F3B

#475B3B

Color Blindness Simulation

Original

#3B575B

Protanopia

#47475A

Deuteranopia

#46435A

Tritanopia

#3C5959

Achromatopsia

#515151

CSS Usage

background-color: #3B575B;
color: #3B575B;
border-color: #3B575B;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F8F9
100
#EAF0F0
200
#D4E1E3
300
#B5CCCF
400
#8DB0B5
500
#64949B
600
#50767C
700
#405F63
800
#324A4D
900
#27373A
950
#192324

Contrast Checker

Text on white

7.78:1

AA Pass AAA Pass

Text on black

2.7:1

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