#223137

#223137

Color Values

HEX

#223137

RGB

34, 49, 55

HSL

197.1, 23.6%, 17.5%

HSV

197.1, 38.2%, 21.6%

CMYK

38.2%, 10.9%, 0.0%, 78.4%

OKLCH

0.3024 0.0227 224.6

Properties

Cool Dark Nearest: RAL 5001 Green Blue

Color Harmonies

Complementary

#223137

#372822

Analogous

#223733

#222737

#223137

Triadic

#223137

#372231

#313722

Split Complementary

#223137

#372227

#373322

Tetradic

#223137

#332237

#372822

#273722

Color Blindness Simulation

Original

#223137

Protanopia

#282936

Deuteranopia

#282635

Tritanopia

#233434

Achromatopsia

#2E2E2E

CSS Usage

background-color: #223137;
color: #223137;
border-color: #223137;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F6F8F9
100
#EAEFF1
200
#D3DFE4
300
#B3C8D0
400
#8AAAB7
500
#618C9E
600
#4E707E
700
#3E5A65
800
#31464F
900
#26353B
950
#182125

Contrast Checker

Text on white

13.44:1

AA Pass AAA Pass

Text on black

1.56:1

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