#640C08

#640C08

Color Values

HEX

#640C08

RGB

100, 12, 8

HSL

2,6, 85,2%, 21,2%

HSV

2,6, 92,0%, 39,2%

CMYK

0,0%, 88,0%, 92,0%, 60,8%

OKLCH

0,3248 0,121 28,8

Properties

Warm Dark Nearest: RAL 3011 Brown Red

Color Harmonies

Complementary

#640C08

#086064

Analogous

#640832

#643A08

#640C08

Triadic

#640C08

#08640C

#0C0864

Split Complementary

#640C08

#08643A

#083264

Tetradic

#640C08

#326408

#086064

#3A0864

Color Blindness Simulation

Original

#640C08

Protanopia

#3E3D09

Deuteranopia

#434A09

Tritanopia

#600A0A

Achromatopsia

#1E1E1E

CSS Usage

background-color: #640C08;
color: #640C08;
border-color: #640C08;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FDF2F2
100
#FAE1E0
200
#FAC0BD
300
#F6928E
400
#F15750
500
#EC1C13
600
#BD170F
700
#97120C
800
#760E09
900
#560F0B
950
#360907

Contrast Checker

Text on white

13,14:1

AA Pass AAA Pass

Text on black

1,6:1

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