#28030B

#28030B

Color Values

HEX

#28030B

RGB

40, 3, 11

HSL

347.0, 86.0%, 8.4%

HSV

347.0, 92.5%, 15.7%

CMYK

0.0%, 92.5%, 72.5%, 84.3%

OKLCH

0.1836 0.0637 11.4

Properties

Warm Dark Nearest: RAL 3007 Black Red

Color Harmonies

Complementary

#28030B

#032820

Analogous

#28031D

#280D03

#28030B

Triadic

#28030B

#0B2803

#030B28

Split Complementary

#28030B

#03280D

#031D28

Tetradic

#28030B

#1D2803

#032820

#0D0328

Color Blindness Simulation

Original

#28030B

Protanopia

#181809

Deuteranopia

#1A1D09

Tritanopia

#260807

Achromatopsia

#0B0B0B

CSS Usage

background-color: #28030B;
color: #28030B;
border-color: #28030B;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FDF2F4
100
#FAE0E6
200
#FABDCA
300
#F68DA4
400
#F25073
500
#ED1241
600
#BE0E34
700
#980B2A
800
#770921
900
#560B1B
950
#360711

Contrast Checker

Text on white

18.95:1

AA Pass AAA Pass

Text on black

1.11:1

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