#B3040C

#B3040C

Color Values

HEX

#B3040C

RGB

179, 4, 12

HSL

357.3, 95.6%, 35.9%

HSV

357.3, 97.8%, 70.2%

CMYK

0.0%, 97.8%, 93.3%, 29.8%

OKLCH

0.4832 0.1957 28.0

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#B3040C

#04B3AB

Analogous

#B30463

#B35404

#B3040C

Triadic

#B3040C

#0CB304

#040CB3

Split Complementary

#B3040C

#04B354

#0463B3

Tetradic

#B3040C

#63B304

#04B3AB

#5404B3

Color Blindness Simulation

Original

#B3040C

Protanopia

#67660A

Deuteranopia

#717E0A

Tritanopia

#AA0908

Achromatopsia

#2A2A2A

CSS Usage

background-color: #B3040C;
color: #B3040C;
border-color: #B3040C;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FEF1F2
100
#FCDFE0
200
#FDB9BC
300
#FC878D
400
#FB464F
500
#F90611
600
#C8040D
700
#A0040B
800
#7D0308
900
#5A070B
950
#390407

Contrast Checker

Text on white

7.14:1

AA Pass AAA Pass

Text on black

2.94:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026