#851718

#851718

Color Values

HEX

#851718

RGB

133, 23, 24

HSL

359.5, 70.5%, 30.6%

HSV

359.5, 82.7%, 52.2%

CMYK

0.0%, 82.7%, 82.0%, 47.8%

OKLCH

0.4016 0.1448 26.4

Properties

Warm Dark Nearest: firebrick 4

Color Harmonies

Complementary

#851718

#178584

Analogous

#85174F

#854D17

#851718

Triadic

#851718

#188517

#171885

Split Complementary

#851718

#17854D

#174F85

Tetradic

#851718

#4F8517

#178584

#4D1785

Color Blindness Simulation

Original

#851718

Protanopia

#555418

Deuteranopia

#5C6418

Tritanopia

#801818

Achromatopsia

#2E2E2E

CSS Usage

background-color: #851718;
color: #851718;
border-color: #851718;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FCF3F3
100
#F8E2E3
200
#F4C2C3
300
#ED9797
400
#E35E5F
500
#D92627
600
#AE1E1F
700
#8B1819
800
#6D1314
900
#4F1212
950
#320B0C

Contrast Checker

Text on white

9.85:1

AA Pass AAA Pass

Text on black

2.13:1

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