#421C5E

#421C5E

Color Values

HEX

#421C5E

RGB

66, 28, 94

HSL

274.5, 54.1%, 23.9%

HSV

274.5, 70.2%, 36.9%

CMYK

29.8%, 70.2%, 0.0%, 63.1%

OKLCH

0.3173 0.1146 307.6

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#421C5E

#385E1C

Analogous

#211C5E

#5E1C59

#421C5E

Triadic

#421C5E

#5E421C

#1C5E42

Split Complementary

#421C5E

#595E1C

#1C5E21

Tetradic

#421C5E

#5E211C

#385E1C

#1C595E

Color Blindness Simulation

Original

#421C5E

Protanopia

#32314E

Deuteranopia

#34374A

Tritanopia

#40413F

Achromatopsia

#292929

CSS Usage

background-color: #421C5E;
color: #421C5E;
border-color: #421C5E;
Nearest Tailwind: Fuchsia 950 #4A044E

Tailwind Shades

50
#F8F4FB
100
#EEE5F5
200
#DEC8EF
300
#C7A1E3
400
#A86ED4
500
#8A3BC4
600
#6E2F9D
700
#58257E
800
#451D62
900
#341948
950
#21102D

Contrast Checker

Text on white

13.47:1

AA Pass AAA Pass

Text on black

1.56:1

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