#37313F

#37313F

Color Values

HEX

#37313F

RGB

55, 49, 63

HSL

265.7, 12.5%, 22.0%

HSV

265.7, 22.2%, 24.7%

CMYK

12.7%, 22.2%, 0.0%, 75.3%

OKLCH

0.3252 0.0257 304.5

Properties

Cool Dark Nearest: RAL 7026 Granite Grey

Color Harmonies

Complementary

#37313F

#393F31

Analogous

#31323F

#3E313F

#37313F

Triadic

#37313F

#3F3731

#313F37

Split Complementary

#37313F

#3F3E31

#323F31

Tetradic

#37313F

#3F3132

#393F31

#313F3E

Color Blindness Simulation

Original

#37313F

Protanopia

#34343C

Deuteranopia

#35353B

Tritanopia

#373938

Achromatopsia

#333333

CSS Usage

background-color: #37313F;
color: #37313F;
border-color: #37313F;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F7F7F8
100
#EDEBEF
200
#DBD7E0
300
#C1BAC9
400
#9F95AC
500
#7D708F
600
#645973
700
#50475C
800
#3F3848
900
#302B36
950
#1E1B22

Contrast Checker

Text on white

12.55:1

AA Pass AAA Pass

Text on black

1.67:1

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