#B00101

#B00101

Color Values

HEX

#B00101

RGB

176, 1, 1

HSL

0.0, 98.9%, 34.7%

HSV

0.0, 99.4%, 69.0%

CMYK

0.0%, 99.4%, 99.4%, 31.0%

OKLCH

0.4758 0.1948 29.2

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#B00101

#01B0B0

Analogous

#B00158

#B05801

#B00101

Triadic

#B00101

#01B001

#0101B0

Split Complementary

#B00101

#01B058

#0158B0

Tetradic

#B00101

#58B001

#01B0B0

#5801B0

Color Blindness Simulation

Original

#B00101

Protanopia

#646301

Deuteranopia

#6E7B01

Tritanopia

#A70101

Achromatopsia

#262626

CSS Usage

background-color: #B00101;
color: #B00101;
border-color: #B00101;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FEF1F1
100
#FCDEDE
200
#FFB8B8
300
#FE8585
400
#FE4343
500
#FE0101
600
#CB0101
700
#A20101
800
#7F0101
900
#5C0505
950
#3A0303

Contrast Checker

Text on white

7.37:1

AA Pass AAA Pass

Text on black

2.85:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026