#040218

#040218

Color Values

HEX

#040218

RGB

4, 2, 24

HSL

245.5, 84.6%, 5.1%

HSV

245.5, 91.7%, 9.4%

CMYK

83.3%, 91.7%, 0.0%, 90.6%

OKLCH

0.116 0.0529 281.6

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#040218

#161802

Analogous

#020B18

#0F0218

#040218

Triadic

#040218

#180402

#021804

Split Complementary

#040218

#180F02

#0B1802

Tetradic

#040218

#18020B

#161802

#02180F

Color Blindness Simulation

Original

#040218

Protanopia

#030313

Deuteranopia

#030311

Tritanopia

#040E0E

Achromatopsia

#040404

CSS Usage

background-color: #040218;
color: #040218;
border-color: #040218;
Nearest Tailwind: Slate 950 #020617

Tailwind Shades

50
#F3F2FD
100
#E3E0FA
200
#C3BDFA
300
#988EF6
400
#5F51F0
500
#2714EB
600
#2010BC
700
#190D97
800
#140A76
900
#120C55
950
#0C0736

Contrast Checker

Text on white

20.45:1

AA Pass AAA Pass

Text on black

1.03:1

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