#243137

#243137

Color Values

HEX

#243137

RGB

36, 49, 55

HSL

198.9, 20.9%, 17.8%

HSV

198.9, 34.5%, 21.6%

CMYK

34.5%, 10.9%, 0.0%, 78.4%

OKLCH

0.3039 0.0206 227.9

Properties

Cool Dark Nearest: RAL 7016 Anthracite Grey

Color Harmonies

Complementary

#243137

#372A24

Analogous

#243733

#242737

#243137

Triadic

#243137

#372431

#313724

Split Complementary

#243137

#372427

#373324

Tetradic

#243137

#332437

#372A24

#273724

Color Blindness Simulation

Original

#243137

Protanopia

#2A2A36

Deuteranopia

#292835

Tritanopia

#253434

Achromatopsia

#2F2F2F

CSS Usage

background-color: #243137;
color: #243137;
border-color: #243137;
Nearest Tailwind: Zinc 800 #27272A

Tailwind Shades

50
#F6F8F9
100
#EAEEF0
200
#D4DEE3
300
#B5C7CF
400
#8DA8B4
500
#65899A
600
#516E7B
700
#415863
800
#32454D
900
#27343A
950
#192124

Contrast Checker

Text on white

13.38:1

AA Pass AAA Pass

Text on black

1.57:1

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