#040849

#040849

Color Values

HEX

#040849

RGB

4, 8, 73

HSL

236.5, 89.6%, 15.1%

HSV

236.5, 94.5%, 28.6%

CMYK

94.5%, 89.0%, 0.0%, 71.4%

OKLCH

0.2006 0.1152 267.3

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#040849

#494504

Analogous

#042B49

#220449

#040849

Triadic

#040849

#490408

#084904

Split Complementary

#040849

#492204

#2B4904

Tetradic

#040849

#49042B

#494504

#044922

Color Blindness Simulation

Original

#040849

Protanopia

#060639

Deuteranopia

#060535

Tritanopia

#042D2A

Achromatopsia

#0C0C0C

CSS Usage

background-color: #040849;
color: #040849;
border-color: #040849;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F2F2FD
100
#E0E1FB
200
#BBBFFB
300
#8B91F9
400
#4C56F5
500
#0D1BF2
600
#0B15C1
700
#08119B
800
#070D79
900
#090E58
950
#060937

Contrast Checker

Text on white

18.48:1

AA Pass AAA Pass

Text on black

1.14:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026