#181341

#181341

Color Values

HEX

#181341

RGB

24, 19, 65

HSL

246.5, 54.8%, 16.5%

HSV

246.5, 70.8%, 25.5%

CMYK

63.1%, 70.8%, 0.0%, 74.5%

OKLCH

0.2259 0.0838 282.3

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#181341

#3C4113

Analogous

#132541

#2F1341

#181341

Triadic

#181341

#411813

#134118

Split Complementary

#181341

#412F13

#254113

Tetradic

#181341

#411325

#3C4113

#13412F

Color Blindness Simulation

Original

#181341

Protanopia

#161636

Deuteranopia

#161633

Tritanopia

#182D2B

Achromatopsia

#171717

CSS Usage

background-color: #181341;
color: #181341;
border-color: #181341;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F4FB
100
#E7E5F5
200
#CCC8EF
300
#A8A0E3
400
#786DD4
500
#493AC5
600
#3A2E9E
700
#2F257E
800
#241D63
900
#1E1948
950
#13102E

Contrast Checker

Text on white

17.38:1

AA Pass AAA Pass

Text on black

1.21:1

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