#AD3136

#AD3136

Color Values

HEX

#AD3136

RGB

173, 49, 54

HSL

357,6, 55,9%, 43,5%

HSV

357,6, 71,7%, 67,8%

CMYK

0,0%, 71,7%, 68,8%, 32,2%

OKLCH

0,5036 0,1601 23,0

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#AD3136

#31ADA8

Analogous

#AD3174

#AD6A31

#AD3136

Triadic

#AD3136

#36AD31

#3136AD

Split Complementary

#AD3136

#31AD6A

#3174AD

Tetradic

#AD3136

#74AD31

#31ADA8

#6A31AD

Color Blindness Simulation

Original

#AD3136

Protanopia

#777635

Deuteranopia

#7E8834

Tritanopia

#A73434

Achromatopsia

#4C4C4C

CSS Usage

background-color: #AD3136;
color: #AD3136;
border-color: #AD3136;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F6E5E5
200
#EFC7C9
300
#E4A0A2
400
#D56C70
500
#C7383E
600
#9F2D32
700
#7F2428
800
#631C1F
900
#49181A
950
#2E0F10

Contrast Checker

Text on white

6,42:1

AA Pass AAA Fail

Text on black

3,27:1

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