#313739

#313739

Color Values

HEX

#313739

RGB

49, 55, 57

HSL

195.0, 7.5%, 20.8%

HSV

195.0, 14.0%, 22.4%

CMYK

14.0%, 3.5%, 0.0%, 77.6%

OKLCH

0.3319 0.0089 219.7

Properties

Cool Dark Nearest: RAL 7026 Granite Grey

Color Harmonies

Complementary

#313739

#393331

Analogous

#313937

#313339

#313739

Triadic

#313739

#393137

#373931

Split Complementary

#313739

#393133

#393731

Tetradic

#313739

#373139

#393331

#333931

Color Blindness Simulation

Original

#313739

Protanopia

#343439

Deuteranopia

#333338

Tritanopia

#313838

Achromatopsia

#363636

CSS Usage

background-color: #313739;
color: #313739;
border-color: #313739;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F7F8F8
100
#ECEEEE
200
#D9DDDE
300
#BDC4C6
400
#9AA4A8
500
#768489
600
#5E6A6E
700
#4B5558
800
#3B4245
900
#2D3234
950
#1D2021

Contrast Checker

Text on white

12.1:1

AA Pass AAA Pass

Text on black

1.74:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026