#403F6A

#403F6A

Color Values

HEX

#403F6A

RGB

64, 63, 106

HSL

241.4, 25.4%, 33.1%

HSV

241.4, 40.6%, 41.6%

CMYK

39.6%, 40.6%, 0.0%, 58.4%

OKLCH

0.3892 0.0721 283.6

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#403F6A

#696A3F

Analogous

#3F536A

#553F6A

#403F6A

Triadic

#403F6A

#6A403F

#3F6A40

Split Complementary

#403F6A

#6A553F

#536A3F

Tetradic

#403F6A

#6A3F53

#696A3F

#3F6A55

Color Blindness Simulation

Original

#403F6A

Protanopia

#404060

Deuteranopia

#40405D

Tritanopia

#405756

Achromatopsia

#424242

CSS Usage

background-color: #403F6A;
color: #403F6A;
border-color: #403F6A;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F6F6F9
100
#E9E9F1
200
#D3D2E4
300
#B3B2D1
400
#8A89B9
500
#615FA0
600
#4D4C80
700
#3E3D66
800
#303050
900
#26253C
950
#181826

Contrast Checker

Text on white

9.83:1

AA Pass AAA Pass

Text on black

2.14:1

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