#2828AB

#2828AB

Color Values

HEX

#2828AB

RGB

40, 40, 171

HSL

240.0, 62.1%, 41.4%

HSV

240.0, 76.6%, 67.1%

CMYK

76.6%, 76.6%, 0.0%, 32.9%

OKLCH

0.3852 0.1993 272.0

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#2828AB

#ABAB28

Analogous

#286AAB

#6A28AB

#2828AB

Triadic

#2828AB

#AB2828

#28AB28

Split Complementary

#2828AB

#AB6A28

#6AAB28

Tetradic

#2828AB

#AB286A

#ABAB28

#28AB6A

Color Blindness Simulation

Original

#2828AB

Protanopia

#28288B

Deuteranopia

#282884

Tritanopia

#28726D

Achromatopsia

#313131

CSS Usage

background-color: #2828AB;
color: #2828AB;
border-color: #2828AB;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F3F3FB
100
#E4E4F7
200
#C5C5F1
300
#9C9CE8
400
#6666DB
500
#3030CF
600
#2727A5
700
#1F1F84
800
#181867
900
#15154C
950
#0D0D30

Contrast Checker

Text on white

10.6:1

AA Pass AAA Pass

Text on black

1.98:1

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