#171DAD

#171DAD

Color Values

HEX

#171DAD

RGB

23, 29, 173

HSL

237.6, 76.5%, 38.4%

HSV

237.6, 86.7%, 67.8%

CMYK

86.7%, 83.2%, 0.0%, 32.2%

OKLCH

0.3658 0.2152 267.8

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#171DAD

#ADA717

Analogous

#1768AD

#5C17AD

#171DAD

Triadic

#171DAD

#AD171D

#1DAD17

Split Complementary

#171DAD

#AD5C17

#68AD17

Tetradic

#171DAD

#AD1768

#ADA717

#17AD5C

Color Blindness Simulation

Original

#171DAD

Protanopia

#1A1A8A

Deuteranopia

#191982

Tritanopia

#176F69

Achromatopsia

#262626

CSS Usage

background-color: #171DAD;
color: #171DAD;
border-color: #171DAD;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F2F3FC
100
#E2E2F9
200
#C0C2F7
300
#9397F1
400
#585EE9
500
#1E26E1
600
#181EB4
700
#131890
800
#0F1371
900
#0F1252
950
#0A0B34

Contrast Checker

Text on white

11.57:1

AA Pass AAA Pass

Text on black

1.82:1

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