#040730

#040730

Color Values

HEX

#040730

RGB

4, 7, 48

HSL

235.9, 84.6%, 10.2%

HSV

235.9, 91.7%, 18.8%

CMYK

91.7%, 85.4%, 0.0%, 81.2%

OKLCH

0.1644 0.0805 269.5

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#040730

#302D04

Analogous

#041D30

#170430

#040730

Triadic

#040730

#300407

#073004

Split Complementary

#040730

#301704

#1D3004

Tetradic

#040730

#30041D

#302D04

#043017

Color Blindness Simulation

Original

#040730

Protanopia

#050526

Deuteranopia

#050524

Tritanopia

#041E1D

Achromatopsia

#090909

CSS Usage

background-color: #040730;
color: #040730;
border-color: #040730;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F2F3FD
100
#E0E2FA
200
#BDC1FA
300
#8E95F6
400
#515CF0
500
#1422EB
600
#101CBC
700
#0D1697
800
#0A1176
900
#0C1155
950
#070A36

Contrast Checker

Text on white

19.48:1

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