#280829

#280829

Color Values

HEX

#280829

RGB

40, 8, 41

HSL

298.2, 67.3%, 9.6%

HSV

298.2, 80.5%, 16.1%

CMYK

2.4%, 80.5%, 0.0%, 83.9%

OKLCH

0.2082 0.0731 326.6

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#280829

#092908

Analogous

#170829

#290819

#280829

Triadic

#280829

#292808

#082928

Split Complementary

#280829

#192908

#082917

Tetradic

#280829

#291708

#092908

#081929

Color Blindness Simulation

Original

#280829

Protanopia

#1A1A21

Deuteranopia

#1C1E1F

Tritanopia

#261B19

Achromatopsia

#111111

CSS Usage

background-color: #280829;
color: #280829;
border-color: #280829;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#FBF3FC
100
#F7E3F7
200
#F2C3F3
300
#E999EB
400
#DC61E0
500
#D02AD5
600
#A721AB
700
#851B89
800
#68156B
900
#4C134E
950
#300C31

Contrast Checker

Text on white

18.15:1

AA Pass AAA Pass

Text on black

1.16:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026