#04018C

#04018C

Color Values

HEX

#04018C

RGB

4, 1, 140

HSL

241.3, 98.6%, 27.6%

HSV

241.3, 99.3%, 54.9%

CMYK

97.1%, 99.3%, 0.0%, 45.1%

OKLCH

0.2915 0.1989 265.1

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#04018C

#898C01

Analogous

#01438C

#49018C

#04018C

Triadic

#04018C

#8C0401

#018C04

Split Complementary

#04018C

#8C4901

#438C01

Tetradic

#04018C

#8C0143

#898C01

#018C49

Color Blindness Simulation

Original

#04018C

Protanopia

#03036A

Deuteranopia

#030362

Tritanopia

#04504A

Achromatopsia

#0C0C0C

CSS Usage

background-color: #04018C;
color: #04018C;
border-color: #04018C;
Nearest Tailwind: Violet 900 #4C1D95

Tailwind Shades

50
#F1F1FE
100
#DFDEFC
200
#BAB8FF
300
#8885FE
400
#4844FE
500
#0702FD
600
#0601CB
700
#0501A2
800
#04017F
900
#07055B
950
#05033A

Contrast Checker

Text on white

15.13:1

AA Pass AAA Pass

Text on black

1.39:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026