#172DB0

#172DB0

Color Values

HEX

#172DB0

RGB

23, 45, 176

HSL

231.4, 76.9%, 39.0%

HSV

231.4, 86.9%, 69.0%

CMYK

86.9%, 74.4%, 0.0%, 31.0%

OKLCH

0.3905 0.2047 266.8

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#172DB0

#B09A17

Analogous

#1779B0

#4E17B0

#172DB0

Triadic

#172DB0

#B0172D

#2DB017

Split Complementary

#172DB0

#B04E17

#79B017

Tetradic

#172DB0

#B01779

#B09A17

#17B04E

Color Blindness Simulation

Original

#172DB0

Protanopia

#212190

Deuteranopia

#1F1E89

Tritanopia

#187772

Achromatopsia

#323232

CSS Usage

background-color: #172DB0;
color: #172DB0;
border-color: #172DB0;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F2F4FC
100
#E1E5F9
200
#C0C8F7
300
#93A0F1
400
#586DE9
500
#1D3AE2
600
#182EB4
700
#132590
800
#0F1D71
900
#0F1952
950
#090F34

Contrast Checker

Text on white

10.3:1

AA Pass AAA Pass

Text on black

2.04:1

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