#511F1F

#511F1F

Color Values

HEX

#511F1F

RGB

81, 31, 31

HSL

0,0, 44,6%, 22,0%

HSV

0,0, 61,7%, 31,8%

CMYK

0,0%, 61,7%, 61,7%, 68,2%

OKLCH

0,3137 0,0754 22,4

Properties

Warm Dark Nearest: RAL 8012 Red Brown

Color Harmonies

Complementary

#511F1F

#1F5151

Analogous

#511F38

#51381F

#511F1F

Triadic

#511F1F

#1F511F

#1F1F51

Split Complementary

#511F1F

#1F5138

#1F3851

Tetradic

#511F1F

#38511F

#1F5151

#381F51

Color Blindness Simulation

Original

#511F1F

Protanopia

#3B3B1F

Deuteranopia

#3E421F

Tritanopia

#4E1F1F

Achromatopsia

#2A2A2A

CSS Usage

background-color: #511F1F;
color: #511F1F;
border-color: #511F1F;
Nearest Tailwind: Orange 950 #431407

Tailwind Shades

50
#FAF4F4
100
#F4E6E6
200
#EBCBCB
300
#DDA7A7
400
#CB7777
500
#B84747
600
#933939
700
#762D2D
800
#5C2323
900
#441D1D
950
#2B1212

Contrast Checker

Text on white

13,41:1

AA Pass AAA Pass

Text on black

1,57:1

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