#172B3D

#172B3D

Color Values

HEX

#172B3D

RGB

23, 43, 61

HSL

208.4, 45.2%, 16.5%

HSV

208.4, 62.3%, 23.9%

CMYK

62.3%, 29.5%, 0.0%, 76.1%

OKLCH

0.2813 0.0423 247.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#172B3D

#3D2917

Analogous

#173D3C

#17183D

#172B3D

Triadic

#172B3D

#3D172B

#2B3D17

Split Complementary

#172B3D

#3D1718

#3D3C17

Tetradic

#172B3D

#3C173D

#3D2917

#183D17

Color Blindness Simulation

Original

#172B3D

Protanopia

#202039

Deuteranopia

#1E1D38

Tritanopia

#183534

Achromatopsia

#282828

CSS Usage

background-color: #172B3D;
color: #172B3D;
border-color: #172B3D;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CBDCEB
300
#A6C3DD
400
#76A3CB
500
#4683B9
600
#386894
700
#2D5476
800
#23415D
900
#1D3244
950
#121F2B

Contrast Checker

Text on white

14.49:1

AA Pass AAA Pass

Text on black

1.45:1

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