#171983

#171983

Color Values

HEX

#171983

RGB

23, 25, 131

HSL

238.9, 70.1%, 30.2%

HSV

238.9, 82.4%, 51.4%

CMYK

82.4%, 80.9%, 0.0%, 48.6%

OKLCH

0.3094 0.1686 270.2

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#171983

#838117

Analogous

#174F83

#4B1783

#171983

Triadic

#171983

#831719

#198317

Split Complementary

#171983

#834B17

#4F8317

Tetradic

#171983

#83174F

#838117

#17834B

Color Blindness Simulation

Original

#171983

Protanopia

#181869

Deuteranopia

#181863

Tritanopia

#175551

Achromatopsia

#202020

CSS Usage

background-color: #171983;
color: #171983;
border-color: #171983;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E3E3F8
200
#C2C3F4
300
#9798ED
400
#5F61E3
500
#2629D9
600
#1E21AE
700
#181A8B
800
#13156C
900
#12134F
950
#0B0C32

Contrast Checker

Text on white

13.97:1

AA Pass AAA Pass

Text on black

1.5:1

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