#511E21

#511E21

Color Values

HEX

#511E21

RGB

81, 30, 33

HSL

356.5, 45.9%, 21.8%

HSV

356.5, 63.0%, 31.8%

CMYK

0.0%, 63.0%, 59.3%, 68.2%

OKLCH

0.3126 0.0766 19.1

Properties

Warm Dark Nearest: RAL 8012 Red Brown

Color Harmonies

Complementary

#511E21

#1E514E

Analogous

#511E3B

#51351E

#511E21

Triadic

#511E21

#21511E

#1E2151

Split Complementary

#511E21

#1E5135

#1E3B51

Tetradic

#511E21

#3B511E

#1E514E

#351E51

Color Blindness Simulation

Original

#511E21

Protanopia

#3B3A20

Deuteranopia

#3E4220

Tritanopia

#4E2020

Achromatopsia

#292929

CSS Usage

background-color: #511E21;
color: #511E21;
border-color: #511E21;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FAF4F5
100
#F4E6E7
200
#ECCBCD
300
#DEA6A9
400
#CC757A
500
#BA454C
600
#95373D
700
#772C31
800
#5D2226
900
#441C1F
950
#2B1213

Contrast Checker

Text on white

13.48:1

AA Pass AAA Pass

Text on black

1.56:1

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