#A43539

#A43539

Color Values

HEX

#A43539

RGB

164, 53, 57

HSL

357.8, 51.2%, 42.5%

HSV

357.8, 67.7%, 64.3%

CMYK

0.0%, 67.7%, 65.2%, 35.7%

OKLCH

0.493 0.1461 22.3

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#A43539

#35A4A0

Analogous

#A43570

#A46835

#A43539

Triadic

#A43539

#39A435

#3539A4

Split Complementary

#A43539

#35A468

#3570A4

Tetradic

#A43539

#70A435

#35A4A0

#6835A4

Color Blindness Simulation

Original

#A43539

Protanopia

#747338

Deuteranopia

#7A8338

Tritanopia

#9E3737

Achromatopsia

#4D4D4D

CSS Usage

background-color: #A43539;
color: #A43539;
border-color: #A43539;
Nearest Tailwind: Red 900 #7F1D1D

Tailwind Shades

50
#FBF4F4
100
#F5E5E6
200
#EEC9CA
300
#E1A2A5
400
#D17074
500
#C13E43
600
#9A3236
700
#7B282B
800
#601F22
900
#471A1C
950
#2D1012

Contrast Checker

Text on white

6.67:1

AA Pass AAA Fail

Text on black

3.15:1

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