#421D5D

#421D5D

Color Values

HEX

#421D5D

RGB

66, 29, 93

HSL

274.7, 52.5%, 23.9%

HSV

274.7, 68.8%, 36.5%

CMYK

29.0%, 68.8%, 0.0%, 63.5%

OKLCH

0.318 0.1118 307.8

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#421D5D

#385D1D

Analogous

#221D5D

#5D1D58

#421D5D

Triadic

#421D5D

#5D421D

#1D5D42

Split Complementary

#421D5D

#585D1D

#1D5D22

Tetradic

#421D5D

#5D221D

#385D1D

#1D585D

Color Blindness Simulation

Original

#421D5D

Protanopia

#32324E

Deuteranopia

#34374A

Tritanopia

#40413F

Achromatopsia

#292929

CSS Usage

background-color: #421D5D;
color: #421D5D;
border-color: #421D5D;
Nearest Tailwind: Fuchsia 950 #4A044E

Tailwind Shades

50
#F8F4FB
100
#EEE5F5
200
#DEC9EE
300
#C7A2E2
400
#A86FD2
500
#8A3DC2
600
#6E309C
700
#58277C
800
#451E61
900
#341A47
950
#21102D

Contrast Checker

Text on white

13.41:1

AA Pass AAA Pass

Text on black

1.57:1

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