#2821AC

#2821AC

Color Values

HEX

#2821AC

RGB

40, 33, 172

HSL

243.0, 67.8%, 40.2%

HSV

243.0, 80.8%, 67.5%

CMYK

76.7%, 80.8%, 0.0%, 32.5%

OKLCH

0.3774 0.2066 272.6

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#2821AC

#A5AC21

Analogous

#2160AC

#6D21AC

#2821AC

Triadic

#2821AC

#AC2821

#21AC28

Split Complementary

#2821AC

#AC6D21

#60AC21

Tetradic

#2821AC

#AC2160

#A5AC21

#21AC6D

Color Blindness Simulation

Original

#2821AC

Protanopia

#25258A

Deuteranopia

#252682

Tritanopia

#28706A

Achromatopsia

#2D2D2D

CSS Usage

background-color: #2821AC;
color: #2821AC;
border-color: #2821AC;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E4E3F7
200
#C6C3F4
300
#9C98EB
400
#6761E1
500
#3229D6
600
#2821AB
700
#201A89
800
#19156B
900
#16134E
950
#0E0C31

Contrast Checker

Text on white

11.03:1

AA Pass AAA Pass

Text on black

1.9:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026