#172D4F

#172D4F

Color Values

HEX

#172D4F

RGB

23, 45, 79

HSL

216.4, 54.9%, 20.0%

HSV

216.4, 70.9%, 31.0%

CMYK

70.9%, 43.0%, 0.0%, 69.0%

OKLCH

0.2983 0.0681 258.8

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#172D4F

#4F3917

Analogous

#17494F

#1D174F

#172D4F

Triadic

#172D4F

#4F172D

#2D4F17

Split Complementary

#172D4F

#4F1D17

#494F17

Tetradic

#172D4F

#4F1749

#4F3917

#174F1D

Color Blindness Simulation

Original

#172D4F

Protanopia

#212147

Deuteranopia

#1F1E45

Tritanopia

#18403F

Achromatopsia

#2B2B2B

CSS Usage

background-color: #172D4F;
color: #172D4F;
border-color: #172D4F;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FB
100
#E5EBF5
200
#C8D7EF
300
#A0BBE3
400
#6D96D4
500
#3A71C5
600
#2E5A9E
700
#25487E
800
#1D3863
900
#192B48
950
#0F1B2E

Contrast Checker

Text on white

13.77:1

AA Pass AAA Pass

Text on black

1.52:1

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