#283185

#283185

Color Values

HEX

#283185

RGB

40, 49, 133

HSL

234.2, 53.8%, 33.9%

HSV

234.2, 69.9%, 52.2%

CMYK

69.9%, 63.2%, 0.0%, 47.8%

OKLCH

0.3616 0.1394 272.6

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#283185

#857C28

Analogous

#285F85

#4D2885

#283185

Triadic

#283185

#852831

#318528

Split Complementary

#283185

#854D28

#5F8528

Tetradic

#283185

#85285F

#857C28

#28854D

Color Blindness Simulation

Original

#283185

Protanopia

#2C2C71

Deuteranopia

#2B2B6C

Tritanopia

#28615D

Achromatopsia

#353535

CSS Usage

background-color: #283185;
color: #283185;
border-color: #283185;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F5FB
100
#E5E7F5
200
#C8CCEF
300
#A1A7E3
400
#6E78D3
500
#3B48C4
600
#2F3A9D
700
#262E7E
800
#1D2462
900
#191E48
950
#10132D

Contrast Checker

Text on white

11.24:1

AA Pass AAA Pass

Text on black

1.87:1

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