#172F45

#172F45

Color Values

HEX

#172F45

RGB

23, 47, 69

HSL

208.7, 50.0%, 18.0%

HSV

208.7, 66.7%, 27.1%

CMYK

66.7%, 31.9%, 0.0%, 72.9%

OKLCH

0.2971 0.0503 247.9

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#172F45

#452D17

Analogous

#174544

#171845

#172F45

Triadic

#172F45

#45172F

#2F4517

Split Complementary

#172F45

#451718

#454417

Tetradic

#172F45

#441745

#452D17

#184517

Color Blindness Simulation

Original

#172F45

Protanopia

#212240

Deuteranopia

#201E3E

Tritanopia

#183B3B

Achromatopsia

#2B2B2B

CSS Usage

background-color: #172F45;
color: #172F45;
border-color: #172F45;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#C9DCED
300
#A3C3E0
400
#71A3D0
500
#4082BF
600
#336899
700
#29537A
800
#204160
900
#1B3146
950
#111F2C

Contrast Checker

Text on white

13.73:1

AA Pass AAA Pass

Text on black

1.53:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026