#040338

#040338

Color Values

HEX

#040338

RGB

4, 3, 56

HSL

241.1, 89.8%, 11.6%

HSV

241.1, 94.6%, 22.0%

CMYK

92.9%, 94.6%, 0.0%, 78.0%

OKLCH

0.1661 0.0986 269.7

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#040338

#373803

Analogous

#031D38

#1F0338

#040338

Triadic

#040338

#380403

#033804

Split Complementary

#040338

#381F03

#1D3803

Tetradic

#040338

#38031D

#373803

#03381F

Color Blindness Simulation

Original

#040338

Protanopia

#04042B

Deuteranopia

#040428

Tritanopia

#04211F

Achromatopsia

#070707

CSS Usage

background-color: #040338;
color: #040338;
border-color: #040338;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F2F2FD
100
#E0E0FB
200
#BCBBFB
300
#8D8BF9
400
#4F4CF5
500
#110DF2
600
#0E0AC2
700
#0B089B
800
#090779
900
#0B0958
950
#070637

Contrast Checker

Text on white

19.53:1

AA Pass AAA Pass

Text on black

1.08:1

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