#373D3F

#373D3F

Color Values

HEX

#373D3F

RGB

55, 61, 63

HSL

195.0, 6.8%, 23.1%

HSV

195.0, 12.7%, 24.7%

CMYK

12.7%, 3.2%, 0.0%, 75.3%

OKLCH

0.3551 0.0088 219.7

Properties

Cool Dark Nearest: RAL 6012 Black Green

Color Harmonies

Complementary

#373D3F

#3F3937

Analogous

#373F3D

#37393F

#373D3F

Triadic

#373D3F

#3F373D

#3D3F37

Split Complementary

#373D3F

#3F3739

#3F3D37

Tetradic

#373D3F

#3D373F

#3F3937

#393F37

Color Blindness Simulation

Original

#373D3F

Protanopia

#3A3A3F

Deuteranopia

#39393E

Tritanopia

#373E3E

Achromatopsia

#3C3C3C

CSS Usage

background-color: #373D3F;
color: #373D3F;
border-color: #373D3F;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F7F8F8
100
#ECEEEE
200
#D9DDDE
300
#BEC4C6
400
#9AA4A7
500
#778488
600
#5F696D
700
#4C5457
800
#3B4244
900
#2D3233
950
#1D2020

Contrast Checker

Text on white

11.04:1

AA Pass AAA Pass

Text on black

1.9:1

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