#B63D37

#B63D37

Color Values

HEX

#B63D37

RGB

182, 61, 55

HSL

2.8, 53.6%, 46.5%

HSV

2.8, 69.8%, 71.4%

CMYK

0.0%, 66.5%, 69.8%, 28.6%

OKLCH

0.5324 0.1577 26.7

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#B63D37

#37B0B6

Analogous

#B63771

#B67D37

#B63D37

Triadic

#B63D37

#37B63D

#3D37B6

Split Complementary

#B63D37

#37B67D

#3771B6

Tetradic

#B63D37

#71B637

#37B0B6

#7D37B6

Color Blindness Simulation

Original

#B63D37

Protanopia

#828138

Deuteranopia

#899239

Tritanopia

#B03A3A

Achromatopsia

#565656

CSS Usage

background-color: #B63D37;
color: #B63D37;
border-color: #B63D37;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F5E6E5
200
#EECAC8
300
#E3A4A1
400
#D3736E
500
#C4423B
600
#9D342F
700
#7D2A26
800
#62211E
900
#481B19
950
#2D1110

Contrast Checker

Text on white

5.66:1

AA Pass AAA Fail

Text on black

3.71:1

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