#51171B

#51171B

Color Values

HEX

#51171B

RGB

81, 23, 27

HSL

355.9, 55.8%, 20.4%

HSV

355.9, 71.6%, 31.8%

CMYK

0.0%, 71.6%, 66.7%, 68.2%

OKLCH

0.3007 0.0866 20.1

Properties

Warm Dark Nearest: RAL 8012 Red Brown

Color Harmonies

Complementary

#51171B

#17514D

Analogous

#511738

#513017

#51171B

Triadic

#51171B

#1B5117

#171B51

Split Complementary

#51171B

#175130

#173851

Tetradic

#51171B

#385117

#17514D

#301751

Color Blindness Simulation

Original

#51171B

Protanopia

#38371A

Deuteranopia

#3B401A

Tritanopia

#4E1919

Achromatopsia

#242424

CSS Usage

background-color: #51171B;
color: #51171B;
border-color: #51171B;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FBF4F4
100
#F6E5E6
200
#EFC7CA
300
#E4A0A4
400
#D56C73
500
#C73842
600
#9F2D35
700
#7F242A
800
#631C21
900
#49181B
950
#2E0F11

Contrast Checker

Text on white

14.11:1

AA Pass AAA Pass

Text on black

1.49:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026