#181C83

#181C83

Color Values

HEX

#181C83

RGB

24, 28, 131

HSL

237.8, 69.0%, 30.4%

HSV

237.8, 81.7%, 51.4%

CMYK

81.7%, 78.6%, 0.0%, 48.6%

OKLCH

0.3142 0.1655 270.3

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#181C83

#837F18

Analogous

#185183

#4A1883

#181C83

Triadic

#181C83

#83181C

#1C8318

Split Complementary

#181C83

#834A18

#518318

Tetradic

#181C83

#831851

#837F18

#18834A

Color Blindness Simulation

Original

#181C83

Protanopia

#1A1A6A

Deuteranopia

#1A1964

Tritanopia

#185652

Achromatopsia

#232323

CSS Usage

background-color: #181C83;
color: #181C83;
border-color: #181C83;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E3E3F8
200
#C3C4F4
300
#989BEC
400
#6064E2
500
#282ED7
600
#2025AC
700
#191D8A
800
#14176C
900
#12154F
950
#0C0D32

Contrast Checker

Text on white

13.7:1

AA Pass AAA Pass

Text on black

1.53:1

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