#31363B

#31363B

Color Values

HEX

#31363B

RGB

49, 54, 59

HSL

210.0, 9.3%, 21.2%

HSV

210.0, 16.9%, 23.1%

CMYK

16.9%, 8.5%, 0.0%, 76.9%

OKLCH

0.3301 0.0112 248.2

Properties

Cool Dark Nearest: RAL 7026 Granite Grey

Color Harmonies

Complementary

#31363B

#3B3631

Analogous

#313B3B

#31313B

#31363B

Triadic

#31363B

#3B3136

#363B31

Split Complementary

#31363B

#3B3131

#3B3B31

Tetradic

#31363B

#3B313B

#3B3631

#313B31

Color Blindness Simulation

Original

#31363B

Protanopia

#33333A

Deuteranopia

#33323A

Tritanopia

#313939

Achromatopsia

#353535

CSS Usage

background-color: #31363B;
color: #31363B;
border-color: #31363B;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F7F7F8
100
#ECEDEF
200
#D8DBDF
300
#BCC2C7
400
#98A1A9
500
#74808B
600
#5D666F
700
#4A5259
800
#3A4046
900
#2C3035
950
#1C1F21

Contrast Checker

Text on white

12.2:1

AA Pass AAA Pass

Text on black

1.72:1

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