#181789

#181789

Color Values

HEX

#181789

RGB

24, 23, 137

HSL

240.5, 71.2%, 31.4%

HSV

240.5, 83.2%, 53.7%

CMYK

82.5%, 83.2%, 0.0%, 46.3%

OKLCH

0.3147 0.1774 270.4

Properties

Cool Dark Nearest: navy

Color Harmonies

Complementary

#181789

#888917

Analogous

#174F89

#511789

#181789

Triadic

#181789

#891817

#178918

Split Complementary

#181789

#895117

#4F8917

Tetradic

#181789

#89174F

#888917

#178951

Color Blindness Simulation

Original

#181789

Protanopia

#18186D

Deuteranopia

#181867

Tritanopia

#185853

Achromatopsia

#1F1F1F

CSS Usage

background-color: #181789;
color: #181789;
border-color: #181789;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E3E2F8
200
#C2C2F5
300
#9796ED
400
#5F5DE4
500
#2625DA
600
#1F1DAF
700
#18188C
800
#13126D
900
#12114F
950
#0B0B32

Contrast Checker

Text on white

13.79:1

AA Pass AAA Pass

Text on black

1.52:1

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