#313F39

#313F39

Color Values

HEX

#313F39

RGB

49, 63, 57

HSL

154.3, 12.5%, 22.0%

HSV

154.3, 22.2%, 24.7%

CMYK

22.2%, 0.0%, 9.5%, 75.3%

OKLCH

0.3531 0.021 167.2

Properties

Cool Dark Nearest: RAL 6012 Black Green

Color Harmonies

Complementary

#313F39

#3F3137

Analogous

#313F32

#313E3F

#313F39

Triadic

#313F39

#39313F

#3F3931

Split Complementary

#313F39

#3F313E

#3F3231

Tetradic

#313F39

#32313F

#3F3137

#3E3F31

Color Blindness Simulation

Original

#313F39

Protanopia

#37373A

Deuteranopia

#36353B

Tritanopia

#323C3C

Achromatopsia

#3C3C3C

CSS Usage

background-color: #313F39;
color: #313F39;
border-color: #313F39;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F7F8F7
100
#EBEFED
200
#D7E0DC
300
#BAC9C3
400
#95ACA2
500
#708F82
600
#597368
700
#475C53
800
#384841
900
#2B3631
950
#1B221F

Contrast Checker

Text on white

11.05:1

AA Pass AAA Pass

Text on black

1.9:1

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