#374243

#374243

Color Values

HEX

#374243

RGB

55, 66, 67

HSL

185.0, 9.8%, 23.9%

HSV

185.0, 17.9%, 26.3%

CMYK

17.9%, 1.5%, 0.0%, 73.7%

OKLCH

0.3696 0.0145 203.3

Properties

Cool Dark Nearest: RAL 6012 Black Green

Color Harmonies

Complementary

#374243

#433837

Analogous

#37433E

#373C43

#374243

Triadic

#374243

#433742

#424337

Split Complementary

#374243

#43373C

#433E37

Tetradic

#374243

#3E3743

#433837

#3C4337

Color Blindness Simulation

Original

#374243

Protanopia

#3C3C43

Deuteranopia

#3B3A43

Tritanopia

#384343

Achromatopsia

#404040

CSS Usage

background-color: #374243;
color: #374243;
border-color: #374243;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F7F8F8
100
#ECEEEF
200
#D8DEDF
300
#BCC7C8
400
#97A8AA
500
#738A8C
600
#5C6E70
700
#4A585A
800
#3A4546
900
#2C3435
950
#1C2121

Contrast Checker

Text on white

10.38:1

AA Pass AAA Pass

Text on black

2.02:1

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