#282D79

#282D79

Color Values

HEX

#282D79

RGB

40, 45, 121

HSL

236.3, 50.3%, 31.6%

HSV

236.3, 66.9%, 47.5%

CMYK

66.9%, 62.8%, 0.0%, 52.5%

OKLCH

0.343 0.1275 274.6

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#282D79

#797428

Analogous

#285679

#4C2879

#282D79

Triadic

#282D79

#79282D

#2D7928

Split Complementary

#282D79

#794C28

#567928

Tetradic

#282D79

#792856

#797428

#28794C

Color Blindness Simulation

Original

#282D79

Protanopia

#2A2A67

Deuteranopia

#2A2A62

Tritanopia

#285855

Achromatopsia

#313131

CSS Usage

background-color: #282D79;
color: #282D79;
border-color: #282D79;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#C9CCED
300
#A3A7E1
400
#7177D0
500
#3F47C0
600
#333999
700
#292E7B
800
#202460
900
#1B1D46
950
#11122C

Contrast Checker

Text on white

12.06:1

AA Pass AAA Pass

Text on black

1.74:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026