#28043D

#28043D

Color Values

HEX

#28043D

RGB

40, 4, 61

HSL

277.9, 87.7%, 12.7%

HSV

277.9, 93.4%, 23.9%

CMYK

34.4%, 93.4%, 0.0%, 76.1%

OKLCH

0.2195 0.1018 308.8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#28043D

#193D04

Analogous

#0B043D

#3D0435

#28043D

Triadic

#28043D

#3D2804

#043D28

Split Complementary

#28043D

#353D04

#043D0B

Tetradic

#28043D

#3D0B04

#193D04

#04353D

Color Blindness Simulation

Original

#28043D

Protanopia

#18182F

Deuteranopia

#1A1D2C

Tritanopia

#262422

Achromatopsia

#101010

CSS Usage

background-color: #28043D;
color: #28043D;
border-color: #28043D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F9F2FD
100
#F1E0FA
200
#E4BCFB
300
#D08CF7
400
#B64EF3
500
#9D10EF
600
#7E0DBF
700
#640A99
800
#4E0878
900
#3B0A57
950
#250637

Contrast Checker

Text on white

17.87:1

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