#171C82

#171C82

Color Values

HEX

#171C82

RGB

23, 28, 130

HSL

237.2, 69.9%, 30.0%

HSV

237.2, 82.3%, 51.0%

CMYK

82.3%, 78.5%, 0.0%, 49.0%

OKLCH

0.3125 0.1645 270.0

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#171C82

#827D17

Analogous

#175182

#481782

#171C82

Triadic

#171C82

#82171C

#1C8217

Split Complementary

#171C82

#824817

#518217

Tetradic

#171C82

#821751

#827D17

#178248

Color Blindness Simulation

Original

#171C82

Protanopia

#191969

Deuteranopia

#191863

Tritanopia

#175652

Achromatopsia

#222222

CSS Usage

background-color: #171C82;
color: #171C82;
border-color: #171C82;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E3E4F8
200
#C2C5F4
300
#979BED
400
#5F65E3
500
#262FD9
600
#1F25AD
700
#191E8B
800
#13176C
900
#12154F
950
#0B0D32

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

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