#173339

#173339

Color Values

HEX

#173339

RGB

23, 51, 57

HSL

190.6, 42.5%, 15.7%

HSV

190.6, 59.6%, 22.4%

CMYK

59.6%, 10.5%, 0.0%, 77.6%

OKLCH

0.302 0.0355 213.3

Properties

Cool Dark Nearest: RAL 5001 Green Blue

Color Harmonies

Complementary

#173339

#391D17

Analogous

#17392E

#172239

#173339

Triadic

#173339

#391733

#333917

Split Complementary

#173339

#391722

#392E17

Tetradic

#173339

#2E1739

#391D17

#223917

Color Blindness Simulation

Original

#173339

Protanopia

#232338

Deuteranopia

#221F37

Tritanopia

#183636

Achromatopsia

#2D2D2D

CSS Usage

background-color: #173339;
color: #173339;
border-color: #173339;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F5F9FA
100
#E7F1F4
200
#CCE5EA
300
#A8D3DC
400
#79BBC9
500
#49A3B6
600
#3B8291
700
#2F6874
800
#25515B
900
#1E3C43
950
#13262A

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