#181B68

#181B68

Color Values

HEX

#181B68

RGB

24, 27, 104

HSL

237.8, 62.5%, 25.1%

HSV

237.8, 76.9%, 40.8%

CMYK

76.9%, 74.0%, 0.0%, 59.2%

OKLCH

0.2818 0.1308 272.6

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#181B68

#686518

Analogous

#184368

#3D1868

#181B68

Triadic

#181B68

#68181B

#1B6818

Split Complementary

#181B68

#683D18

#436818

Tetradic

#181B68

#681843

#686518

#18683D

Color Blindness Simulation

Original

#181B68

Protanopia

#191955

Deuteranopia

#191951

Tritanopia

#184743

Achromatopsia

#202020

CSS Usage

background-color: #181B68;
color: #181B68;
border-color: #181B68;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F3F4FB
100
#E4E4F7
200
#C5C7F2
300
#9C9EE8
400
#666ADC
500
#3036CF
600
#262BA6
700
#1F2285
800
#181B68
900
#15174C
950
#0D0F30

Contrast Checker

Text on white

15.05:1

AA Pass AAA Pass

Text on black

1.4:1

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