#280D21

#280D21

Color Values

HEX

#280D21

RGB

40, 13, 33

HSL

315.6, 50.9%, 10.4%

HSV

315.6, 67.5%, 15.7%

CMYK

0.0%, 67.5%, 17.5%, 84.3%

OKLCH

0.2111 0.0549 338.4

Properties

Warm Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#280D21

#0D2814

Analogous

#220D28

#280D14

#280D21

Triadic

#280D21

#21280D

#0D2128

Split Complementary

#280D21

#14280D

#0D2822

Tetradic

#280D21

#28220D

#0D2814

#0D1428

Color Blindness Simulation

Original

#280D21

Protanopia

#1C1C1C

Deuteranopia

#1E201B

Tritanopia

#271818

Achromatopsia

#141414

CSS Usage

background-color: #280D21;
color: #280D21;
border-color: #280D21;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#FBF4F9
100
#F5E5F1
200
#EDC9E4
300
#E1A3D1
400
#D171B8
500
#C03F9F
600
#9A327F
700
#7B2866
800
#601F4F
900
#471A3B
950
#2D1125

Contrast Checker

Text on white

17.95:1

AA Pass AAA Pass

Text on black

1.17:1

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