#28237E

#28237E

Color Values

HEX

#28237E

RGB

40, 35, 126

HSL

243.3, 56.5%, 31.6%

HSV

243.3, 72.2%, 49.4%

CMYK

68.3%, 72.2%, 0.0%, 50.6%

OKLCH

0.3298 0.1472 277.1

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#28237E

#797E23

Analogous

#234C7E

#56237E

#28237E

Triadic

#28237E

#7E2823

#237E28

Split Complementary

#28237E

#7E5623

#4C7E23

Tetradic

#28237E

#7E234C

#797E23

#237E56

Color Blindness Simulation

Original

#28237E

Protanopia

#262668

Deuteranopia

#262663

Tritanopia

#285753

Achromatopsia

#2B2B2B

CSS Usage

background-color: #28237E;
color: #28237E;
border-color: #28237E;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E5F6
200
#C9C7EF
300
#A39FE4
400
#716BD6
500
#3F37C8
600
#332CA0
700
#292380
800
#201C64
900
#1B1849
950
#110F2E

Contrast Checker

Text on white

12.87:1

AA Pass AAA Pass

Text on black

1.63:1

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