#172937

#172937

Color Values

HEX

#172937

RGB

23, 41, 55

HSL

206.2, 41.0%, 15.3%

HSV

206.2, 58.2%, 21.6%

CMYK

58.2%, 25.5%, 0.0%, 78.4%

OKLCH

0.2722 0.0354 243.0

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#172937

#372517

Analogous

#173735

#171937

#172937

Triadic

#172937

#371729

#293717

Split Complementary

#172937

#371719

#373517

Tetradic

#172937

#351737

#372517

#193717

Color Blindness Simulation

Original

#172937

Protanopia

#1F1F34

Deuteranopia

#1E1C33

Tritanopia

#183130

Achromatopsia

#262626

CSS Usage

background-color: #172937;
color: #172937;
border-color: #172937;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F5F8FA
100
#E7EEF3
200
#CDDDEA
300
#A9C5DB
400
#7AA6C7
500
#4B86B4
600
#3C6B90
700
#305673
800
#26435A
900
#1F3342
950
#13202A

Contrast Checker

Text on white

14.91:1

AA Pass AAA Pass

Text on black

1.41:1

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