#28296D

#28296D

Color Values

HEX

#28296D

RGB

40, 41, 109

HSL

239.1, 46.3%, 29.2%

HSV

239.1, 63.3%, 42.7%

CMYK

63.3%, 62.4%, 0.0%, 57.3%

OKLCH

0.3245 0.1154 277.2

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#28296D

#6D6C28

Analogous

#284B6D

#49286D

#28296D

Triadic

#28296D

#6D2829

#296D28

Split Complementary

#28296D

#6D4928

#4B6D28

Tetradic

#28296D

#6D284B

#6D6C28

#286D49

Color Blindness Simulation

Original

#28296D

Protanopia

#28285D

Deuteranopia

#282859

Tritanopia

#28504D

Achromatopsia

#2E2E2E

CSS Usage

background-color: #28296D;
color: #28296D;
border-color: #28296D;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CBCBEC
300
#A5A6DE
400
#7576CC
500
#4446BB
600
#373895
700
#2C2D77
800
#22235D
900
#1C1D45
950
#12122B

Contrast Checker

Text on white

12.9:1

AA Pass AAA Pass

Text on black

1.63:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026