#28257B

#28257B

Color Values

HEX

#28257B

RGB

40, 37, 123

HSL

242.1, 53.8%, 31.4%

HSV

242.1, 69.9%, 48.2%

CMYK

67.5%, 69.9%, 0.0%, 51.8%

OKLCH

0.3301 0.1407 276.9

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#28257B

#787B25

Analogous

#254D7B

#53257B

#28257B

Triadic

#28257B

#7B2825

#257B28

Split Complementary

#28257B

#7B5325

#4D7B25

Tetradic

#28257B

#7B254D

#787B25

#257B53

Color Blindness Simulation

Original

#28257B

Protanopia

#272766

Deuteranopia

#272761

Tritanopia

#285652

Achromatopsia

#2C2C2C

CSS Usage

background-color: #28257B;
color: #28257B;
border-color: #28257B;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#C9C8EF
300
#A3A1E3
400
#716ED3
500
#403BC4
600
#332F9D
700
#29267E
800
#201D62
900
#1B1948
950
#11102D

Contrast Checker

Text on white

12.8:1

AA Pass AAA Pass

Text on black

1.64:1

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