#181D89

#181D89

Color Values

HEX

#181D89

RGB

24, 29, 137

HSL

237.3, 70.2%, 31.6%

HSV

237.3, 82.5%, 53.7%

CMYK

82.5%, 78.8%, 0.0%, 46.3%

OKLCH

0.3227 0.1721 269.8

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#181D89

#898418

Analogous

#185689

#4B1889

#181D89

Triadic

#181D89

#89181D

#1D8918

Split Complementary

#181D89

#894B18

#568918

Tetradic

#181D89

#891856

#898418

#18894B

Color Blindness Simulation

Original

#181D89

Protanopia

#1A1A6F

Deuteranopia

#1A1969

Tritanopia

#185A56

Achromatopsia

#242424

CSS Usage

background-color: #181D89;
color: #181D89;
border-color: #181D89;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E2E3F8
200
#C2C4F4
300
#979BED
400
#5E64E3
500
#262ED9
600
#1E25AE
700
#181D8B
800
#13176D
900
#12154F
950
#0B0D32

Contrast Checker

Text on white

13.33:1

AA Pass AAA Pass

Text on black

1.58:1

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