#282D7D

#282D7D

Color Values

HEX

#282D7D

RGB

40, 45, 125

HSL

236.5, 51.5%, 32.4%

HSV

236.5, 68.0%, 49.0%

CMYK

68.0%, 64.0%, 0.0%, 51.0%

OKLCH

0.3466 0.1333 274.3

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#282D7D

#7D7828

Analogous

#28587D

#4E287D

#282D7D

Triadic

#282D7D

#7D282D

#2D7D28

Split Complementary

#282D7D

#7D4E28

#587D28

Tetradic

#282D7D

#7D2858

#7D7828

#287D4E

Color Blindness Simulation

Original

#282D7D

Protanopia

#2A2A6A

Deuteranopia

#2A2A65

Tritanopia

#285A57

Achromatopsia

#323232

CSS Usage

background-color: #282D7D;
color: #282D7D;
border-color: #282D7D;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C9CBEE
300
#A2A6E1
400
#7076D1
500
#3E45C1
600
#31389B
700
#282C7C
800
#1F2361
900
#1A1D47
950
#10122D

Contrast Checker

Text on white

11.92:1

AA Pass AAA Pass

Text on black

1.76:1

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