#23312B

#23312B

Color Values

HEX

#23312B

RGB

35, 49, 43

HSL

154.3, 16.7%, 16.5%

HSV

154.3, 28.6%, 19.2%

CMYK

28.6%, 0.0%, 12.2%, 80.8%

OKLCH

0.2983 0.0217 166.8

Properties

Cool Dark Nearest: RAL 6009 Fir Green

Color Harmonies

Complementary

#23312B

#312329

Analogous

#233124

#233031

#23312B

Triadic

#23312B

#2B2331

#312B23

Split Complementary

#23312B

#312330

#312423

Tetradic

#23312B

#242331

#312329

#303123

Color Blindness Simulation

Original

#23312B

Protanopia

#29292C

Deuteranopia

#28272D

Tritanopia

#242E2E

Achromatopsia

#2E2E2E

CSS Usage

background-color: #23312B;
color: #23312B;
border-color: #23312B;
Nearest Tailwind: Neutral 800 #262626

Tailwind Shades

50
#F6F8F8
100
#EBF0EE
200
#D5E1DC
300
#B8CCC3
400
#91B0A3
500
#6A9583
600
#557768
700
#445F54
800
#354A41
900
#293831
950
#1A231F

Contrast Checker

Text on white

13.59:1

AA Pass AAA Pass

Text on black

1.55:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026