#64231F

#64231F

Color Values

HEX

#64231F

RGB

100, 35, 31

HSL

3.5, 52.7%, 25.7%

HSV

3.5, 69.0%, 39.2%

CMYK

0.0%, 65.0%, 69.0%, 60.8%

OKLCH

0.3534 0.0951 26.6

Properties

Warm Dark Nearest: RAL 3009 Oxide Red

Color Harmonies

Complementary

#64231F

#1F6064

Analogous

#641F3E

#64461F

#64231F

Triadic

#64231F

#1F6423

#231F64

Split Complementary

#64231F

#1F6446

#1F3E64

Tetradic

#64231F

#3E641F

#1F6064

#461F64

Color Blindness Simulation

Original

#64231F

Protanopia

#484720

Deuteranopia

#4C5020

Tritanopia

#612121

Achromatopsia

#313131

CSS Usage

background-color: #64231F;
color: #64231F;
border-color: #64231F;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FBF4F4
100
#F5E6E5
200
#EECBC8
300
#E2A5A2
400
#D2756F
500
#C3443C
600
#9C3730
700
#7D2C27
800
#61221E
900
#471C19
950
#2D1210

Contrast Checker

Text on white

11.65:1

AA Pass AAA Pass

Text on black

1.8:1

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