#511B1A

#511B1A

Color Values

HEX

#511B1A

RGB

81, 27, 26

HSL

1.1, 51.4%, 21.0%

HSV

1.1, 67.9%, 31.8%

CMYK

0.0%, 66.7%, 67.9%, 68.2%

OKLCH

0.3063 0.0815 24.2

Properties

Warm Dark Nearest: RAL 8012 Red Brown

Color Harmonies

Complementary

#511B1A

#1A5051

Analogous

#511A35

#51371A

#511B1A

Triadic

#511B1A

#1A511B

#1B1A51

Split Complementary

#511B1A

#1A5137

#1A3551

Tetradic

#511B1A

#35511A

#1A5051

#371A51

Color Blindness Simulation

Original

#511B1A

Protanopia

#3A391A

Deuteranopia

#3D411A

Tritanopia

#4E1A1A

Achromatopsia

#262626

CSS Usage

background-color: #511B1A;
color: #511B1A;
border-color: #511B1A;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FBF4F4
100
#F5E6E5
200
#EECAC9
300
#E1A3A2
400
#D17270
500
#C1403E
600
#9A3332
700
#7C2928
800
#61201F
900
#471B1A
950
#2D1110

Contrast Checker

Text on white

13.8:1

AA Pass AAA Pass

Text on black

1.52:1

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