#851115

#851115

Color Values

HEX

#851115

RGB

133, 17, 21

HSL

357.9, 77.3%, 29.4%

HSV

357.9, 87.2%, 52.2%

CMYK

0.0%, 87.2%, 84.2%, 47.8%

OKLCH

0.3971 0.1491 26.2

Properties

Warm Dark Nearest: firebrick 4

Color Harmonies

Complementary

#851115

#118581

Analogous

#85114F

#854711

#851115

Triadic

#851115

#158511

#111585

Split Complementary

#851115

#118547

#114F85

Tetradic

#851115

#4F8511

#118581

#471185

Color Blindness Simulation

Original

#851115

Protanopia

#535214

Deuteranopia

#5A6214

Tritanopia

#7F1313

Achromatopsia

#2A2A2A

CSS Usage

background-color: #851115;
color: #851115;
border-color: #851115;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FCF2F3
100
#F9E1E2
200
#F7C0C2
300
#F19296
400
#EA585D
500
#E21D24
600
#B5171D
700
#911317
800
#710E12
900
#520F11
950
#34090B

Contrast Checker

Text on white

10.06:1

AA Pass AAA Pass

Text on black

2.09:1

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