#181237

#181237

Color Values

HEX

#181237

RGB

24, 18, 55

HSL

249.7, 50.7%, 14.3%

HSV

249.7, 67.3%, 21.6%

CMYK

56.4%, 67.3%, 0.0%, 78.4%

OKLCH

0.2144 0.0693 286.4

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#181237

#313712

Analogous

#121E37

#2A1237

#181237

Triadic

#181237

#371812

#123718

Split Complementary

#181237

#372A12

#1E3712

Tetradic

#181237

#37121E

#313712

#12372A

Color Blindness Simulation

Original

#181237

Protanopia

#15152E

Deuteranopia

#16162C

Tritanopia

#182725

Achromatopsia

#161616

CSS Usage

background-color: #181237;
color: #181237;
border-color: #181237;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F4FB
100
#E8E5F5
200
#CFC9ED
300
#ADA3E1
400
#8071D0
500
#543FC0
600
#43329A
700
#36287B
800
#2A1F60
900
#211A47
950
#15112D

Contrast Checker

Text on white

17.79:1

AA Pass AAA Pass

Text on black

1.18:1

AA Fail AAA Fail

Related Articles

Brand Stories

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

फ़र 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

जन 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

जन 21, 2026