#A33831

#A33831

Color Values

HEX

#A33831

RGB

163, 56, 49

HSL

3.7, 53.8%, 41.6%

HSV

3.7, 69.9%, 63.9%

CMYK

0.0%, 65.6%, 69.9%, 36.1%

OKLCH

0.4936 0.1429 27.3

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#A33831

#319CA3

Analogous

#A33163

#A37131

#A33831

Triadic

#A33831

#31A338

#3831A3

Split Complementary

#A33831

#31A371

#3163A3

Tetradic

#A33831

#63A331

#319CA3

#7131A3

Color Blindness Simulation

Original

#A33831

Protanopia

#757433

Deuteranopia

#7B8333

Tritanopia

#9E3434

Achromatopsia

#4E4E4E

CSS Usage

background-color: #A33831;
color: #A33831;
border-color: #A33831;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F5E6E5
200
#EFCAC8
300
#E3A5A1
400
#D3746E
500
#C4433B
600
#9D362F
700
#7E2B26
800
#62221D
900
#481C19
950
#2D1210

Contrast Checker

Text on white

6.63:1

AA Pass AAA Fail

Text on black

3.17:1

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