#37424D

#37424D

Color Values

HEX

#37424D

RGB

55, 66, 77

HSL

210.0, 16.7%, 25.9%

HSV

210.0, 28.6%, 30.2%

CMYK

28.6%, 14.3%, 0.0%, 69.8%

OKLCH

0.3736 0.0238 248.5

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#37424D

#4D4237

Analogous

#374D4D

#37374D

#37424D

Triadic

#37424D

#4D3742

#424D37

Split Complementary

#37424D

#4D3737

#4D4D37

Tetradic

#37424D

#4D374D

#4D4237

#374D37

Color Blindness Simulation

Original

#37424D

Protanopia

#3C3C4A

Deuteranopia

#3B3A4A

Tritanopia

#384848

Achromatopsia

#404040

CSS Usage

background-color: #37424D;
color: #37424D;
border-color: #37424D;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F7F8
100
#EBEDF0
200
#D5DBE1
300
#B8C2CC
400
#91A1B0
500
#6A8095
600
#556677
700
#44525F
800
#35404A
900
#293038
950
#1A1F23

Contrast Checker

Text on white

10.25:1

AA Pass AAA Pass

Text on black

2.05:1

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