#31313C

#31313C

Color Values

HEX

#31313C

RGB

49, 49, 60

HSL

240.0, 10.1%, 21.4%

HSV

240.0, 18.3%, 23.5%

CMYK

18.3%, 18.3%, 0.0%, 76.5%

OKLCH

0.3177 0.0195 285.2

Properties

Cool Dark Nearest: RAL 7026 Granite Grey

Color Harmonies

Complementary

#31313C

#3C3C31

Analogous

#31373C

#37313C

#31313C

Triadic

#31313C

#3C3131

#313C31

Split Complementary

#31313C

#3C3731

#373C31

Tetradic

#31313C

#3C3137

#3C3C31

#313C37

Color Blindness Simulation

Original

#31313C

Protanopia

#313139

Deuteranopia

#313139

Tritanopia

#313737

Achromatopsia

#323232

CSS Usage

background-color: #31313C;
color: #31313C;
border-color: #31313C;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F7F7F8
100
#ECECEF
200
#D8D8DF
300
#BCBCC8
400
#9797AA
500
#73738C
600
#5C5C70
700
#49495A
800
#393946
900
#2C2C35
950
#1C1C21

Contrast Checker

Text on white

12.84:1

AA Pass AAA Pass

Text on black

1.64:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026