#181B87

#181B87

Color Values

HEX

#181B87

RGB

24, 27, 135

HSL

238.4, 69.8%, 31.2%

HSV

238.4, 82.2%, 52.9%

CMYK

82.2%, 80.0%, 0.0%, 47.1%

OKLCH

0.3175 0.1715 270.1

Properties

Cool Dark Nearest: navy

Color Harmonies

Complementary

#181B87

#878418

Analogous

#185387

#4D1887

#181B87

Triadic

#181B87

#87181B

#1B8718

Split Complementary

#181B87

#874D18

#538718

Tetradic

#181B87

#871853

#878418

#18874D

Color Blindness Simulation

Original

#181B87

Protanopia

#19196D

Deuteranopia

#191967

Tritanopia

#185854

Achromatopsia

#222222

CSS Usage

background-color: #181B87;
color: #181B87;
border-color: #181B87;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FC
100
#E3E3F8
200
#C2C4F4
300
#9799ED
400
#5F62E3
500
#272BD8
600
#1F23AD
700
#191C8B
800
#13166C
900
#12144F
950
#0B0C32

Contrast Checker

Text on white

13.59:1

AA Pass AAA Pass

Text on black

1.55:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026