#171B83

#171B83

Color Values

HEX

#171B83

RGB

23, 27, 131

HSL

237.8, 70.1%, 30.2%

HSV

237.8, 82.4%, 51.4%

CMYK

82.4%, 79.4%, 0.0%, 48.6%

OKLCH

0.3122 0.1667 270.0

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#171B83

#837F17

Analogous

#175183

#491783

#171B83

Triadic

#171B83

#83171B

#1B8317

Split Complementary

#171B83

#834917

#518317

Tetradic

#171B83

#831751

#837F17

#178349

Color Blindness Simulation

Original

#171B83

Protanopia

#19196A

Deuteranopia

#181864

Tritanopia

#175652

Achromatopsia

#222222

CSS Usage

background-color: #171B83;
color: #171B83;
border-color: #171B83;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E3E3F8
200
#C2C4F4
300
#979AED
400
#5F63E3
500
#262DD9
600
#1E24AE
700
#181D8B
800
#13166C
900
#12144F
950
#0B0D32

Contrast Checker

Text on white

13.81:1

AA Pass AAA Pass

Text on black

1.52:1

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