#643F51

#643F51

Color Values

HEX

#643F51

RGB

100, 63, 81

HSL

330.8, 22.7%, 32.0%

HSV

330.8, 37.0%, 39.2%

CMYK

0.0%, 37.0%, 19.0%, 60.8%

OKLCH

0.4168 0.0577 349.3

Properties

Warm Dark Nearest: Eggplant

Color Harmonies

Complementary

#643F51

#3F6452

Analogous

#643F64

#64403F

#643F51

Triadic

#643F51

#51643F

#3F5164

Split Complementary

#643F51

#3F6440

#3F6464

Tetradic

#643F51

#64643F

#3F6452

#403F64

Color Blindness Simulation

Original

#643F51

Protanopia

#54544D

Deuteranopia

#56594C

Tritanopia

#624948

Achromatopsia

#484848

CSS Usage

background-color: #643F51;
color: #643F51;
border-color: #643F51;
Nearest Tailwind: Zinc 600 #52525B

Tailwind Shades

50
#F9F6F7
100
#F1EAED
200
#E3D3DB
300
#D0B4C1
400
#B68BA0
500
#9C637F
600
#7D4F65
700
#643F51
800
#4E313F
900
#3A2730
950
#25181E

Contrast Checker

Text on white

8.85:1

AA Pass AAA Pass

Text on black

2.37:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026