#B13531

#B13531

Color Values

HEX

#B13531

RGB

177, 53, 49

HSL

1.9, 56.6%, 44.3%

HSV

1.9, 72.3%, 69.4%

CMYK

0.0%, 70.1%, 72.3%, 30.6%

OKLCH

0.514 0.1611 26.4

Properties

Warm Dark Nearest: NCS S 2060-R Deep Red

Color Harmonies

Complementary

#B13531

#31ADB1

Analogous

#B1316D

#B17531

#B13531

Triadic

#B13531

#31B135

#3531B1

Split Complementary

#B13531

#31B175

#316DB1

Tetradic

#B13531

#6DB131

#31ADB1

#7531B1

Color Blindness Simulation

Original

#B13531

Protanopia

#7B7A32

Deuteranopia

#828C32

Tritanopia

#AB3333

Achromatopsia

#4F4F4F

CSS Usage

background-color: #B13531;
color: #B13531;
border-color: #B13531;
Nearest Tailwind: Red 800 #991B1B

Tailwind Shades

50
#FBF4F4
100
#F6E5E5
200
#F0C8C7
300
#E4A19F
400
#D66F6B
500
#C83C37
600
#A0302C
700
#802623
800
#641E1C
900
#491918
950
#2E100F

Contrast Checker

Text on white

6.13:1

AA Pass AAA Fail

Text on black

3.42:1

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