#172A38

#172A38

Color Values

HEX

#172A38

RGB

23, 42, 56

HSL

205.5, 41.8%, 15.5%

HSV

205.5, 58.9%, 22.0%

CMYK

58.9%, 25.0%, 0.0%, 78.0%

OKLCH

0.2756 0.036 241.7

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#172A38

#382517

Analogous

#173836

#171938

#172A38

Triadic

#172A38

#38172A

#2A3817

Split Complementary

#172A38

#381719

#383617

Tetradic

#172A38

#361738

#382517

#193817

Color Blindness Simulation

Original

#172A38

Protanopia

#1F1F35

Deuteranopia

#1E1D34

Tritanopia

#183231

Achromatopsia

#272727

CSS Usage

background-color: #172A38;
color: #172A38;
border-color: #172A38;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F5F8FA
100
#E7EEF3
200
#CCDEEA
300
#A8C6DB
400
#79A7C8
500
#4A87B5
600
#3B6C91
700
#2F5774
800
#25445A
900
#1E3343
950
#13202A

Contrast Checker

Text on white

14.74:1

AA Pass AAA Pass

Text on black

1.42:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026