#283090

#283090

Color Values

HEX

#283090

RGB

40, 48, 144

HSL

235.4, 56.5%, 36.1%

HSV

235.4, 72.2%, 56.5%

CMYK

72.2%, 66.7%, 0.0%, 43.5%

OKLCH

0.37 0.156 272.4

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#283090

#908828

Analogous

#286490

#542890

#283090

Triadic

#283090

#902830

#309028

Split Complementary

#283090

#905428

#649028

Tetradic

#283090

#902864

#908828

#289054

Color Blindness Simulation

Original

#283090

Protanopia

#2B2C79

Deuteranopia

#2B2A73

Tritanopia

#286662

Achromatopsia

#353535

CSS Usage

background-color: #283090;
color: #283090;
border-color: #283090;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E5E6F6
200
#C7CAEF
300
#9FA5E4
400
#6B74D6
500
#3743C8
600
#2C35A0
700
#232B80
800
#1C2164
900
#181C49
950
#0F112E

Contrast Checker

Text on white

10.96:1

AA Pass AAA Pass

Text on black

1.92:1

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