#641C18

#641C18

Color Values

HEX

#641C18

RGB

100, 28, 24

HSL

3.2, 61.3%, 24.3%

HSV

3.2, 76.0%, 39.2%

CMYK

0.0%, 72.0%, 76.0%, 60.8%

OKLCH

0.3427 0.1044 27.2

Properties

Warm Dark Nearest: RAL 3009 Oxide Red

Color Harmonies

Complementary

#641C18

#186064

Analogous

#64183A

#644218

#641C18

Triadic

#641C18

#18641C

#1C1864

Split Complementary

#641C18

#186442

#183A64

Tetradic

#641C18

#3A6418

#186064

#421864

Color Blindness Simulation

Original

#641C18

Protanopia

#454419

Deuteranopia

#494E19

Tritanopia

#601A1A

Achromatopsia

#2B2B2B

CSS Usage

background-color: #641C18;
color: #641C18;
border-color: #641C18;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FBF4F3
100
#F6E5E4
200
#F1C8C5
300
#E7A09C
400
#DA6D67
500
#CE3A31
600
#A52E27
700
#842520
800
#671D19
900
#4B1916
950
#2F100E

Contrast Checker

Text on white

12.2:1

AA Pass AAA Pass

Text on black

1.72:1

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