#640D37

#640D37

Color Values

HEX

#640D37

RGB

100, 13, 55

HSL

331.0, 77.0%, 22.2%

HSV

331.0, 87.0%, 39.2%

CMYK

0.0%, 87.0%, 45.0%, 60.8%

OKLCH

0.3362 0.1236 357.7

Properties

Warm Dark Nearest: RAL 4004 Claret Violet

Color Harmonies

Complementary

#640D37

#0D643A

Analogous

#640D63

#640E0D

#640D37

Triadic

#640D37

#37640D

#0D3764

Split Complementary

#640D37

#0D640E

#0D6364

Tetradic

#640D37

#63640D

#0D643A

#0E0D64

Color Blindness Simulation

Original

#640D37

Protanopia

#3E3E2D

Deuteranopia

#434A2A

Tritanopia

#602523

Achromatopsia

#232323

CSS Usage

background-color: #640D37;
color: #640D37;
border-color: #640D37;
Nearest Tailwind: Pink 950 #500724

Tailwind Shades

50
#FCF2F7
100
#F9E1ED
200
#F7C0DA
300
#F193C0
400
#E9589E
500
#E21D7C
600
#B51763
700
#901350
800
#710F3E
900
#520F2F
950
#34091E

Contrast Checker

Text on white

12.69:1

AA Pass AAA Pass

Text on black

1.65:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026