#B53539

#B53539

Color Values

HEX

#B53539

RGB

181, 53, 57

HSL

358.1, 54.7%, 45.9%

HSV

358.1, 70.7%, 71.0%

CMYK

0.0%, 70.7%, 68.5%, 29.0%

OKLCH

0.5221 0.1643 23.3

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#B53539

#35B5B1

Analogous

#B53579

#B57135

#B53539

Triadic

#B53539

#39B535

#3539B5

Split Complementary

#B53539

#35B571

#3579B5

Tetradic

#B53539

#79B535

#35B5B1

#7135B5

Color Blindness Simulation

Original

#B53539

Protanopia

#7E7C38

Deuteranopia

#858F38

Tritanopia

#AF3737

Achromatopsia

#515151

CSS Usage

background-color: #B53539;
color: #B53539;
border-color: #B53539;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F5E5E5
200
#EFC8C9
300
#E3A0A2
400
#D46D70
500
#C53A3E
600
#9E2E32
700
#7E2528
800
#631D1F
900
#48191A
950
#2E1010

Contrast Checker

Text on white

5.94:1

AA Pass AAA Fail

Text on black

3.53:1

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