#28010B

#28010B

Color Values

HEX

#28010B

RGB

40, 1, 11

HSL

344.6, 95.1%, 8.0%

HSV

344.6, 97.5%, 15.7%

CMYK

0.0%, 97.5%, 72.5%, 84.3%

OKLCH

0.1795 0.0685 9.0

Properties

Warm Dark Nearest: RAL 3007 Black Red

Color Harmonies

Complementary

#28010B

#01281E

Analogous

#28011E

#280A01

#28010B

Triadic

#28010B

#0B2801

#010B28

Split Complementary

#28010B

#01280A

#011E28

Tetradic

#28010B

#1E2801

#01281E

#0A0128

Color Blindness Simulation

Original

#28010B

Protanopia

#171709

Deuteranopia

#191C08

Tritanopia

#260706

Achromatopsia

#0A0A0A

CSS Usage

background-color: #28010B;
color: #28010B;
border-color: #28010B;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FEF1F4
100
#FCDFE6
200
#FDB9CB
300
#FC88A5
400
#FA4775
500
#F90644
600
#C70537
700
#9F042C
800
#7C0322
900
#5A071C
950
#390412

Contrast Checker

Text on white

19.1:1

AA Pass AAA Pass

Text on black

1.1:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026