#040941

#040941

Color Values

HEX

#040941

RGB

4, 9, 65

HSL

235.1, 88.4%, 13.5%

HSV

235.1, 93.8%, 25.5%

CMYK

93.8%, 86.2%, 0.0%, 74.5%

OKLCH

0.1912 0.103 267.6

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#040941

#413C04

Analogous

#042741

#1D0441

#040941

Triadic

#040941

#410409

#094104

Split Complementary

#040941

#411D04

#274104

Tetradic

#040941

#410427

#413C04

#04411D

Color Blindness Simulation

Original

#040941

Protanopia

#060633

Deuteranopia

#060630

Tritanopia

#042926

Achromatopsia

#0C0C0C

CSS Usage

background-color: #040941;
color: #040941;
border-color: #040941;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F2F3FD
100
#E0E2FB
200
#BCC1FB
300
#8C95F8
400
#4D5BF4
500
#0F21F0
600
#0C1BC0
700
#09159A
800
#071178
900
#0A1057
950
#060A37

Contrast Checker

Text on white

18.74:1

AA Pass AAA Pass

Text on black

1.12:1

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