#282D71

#282D71

Color Values

HEX

#282D71

RGB

40, 45, 113

HSL

235.9, 47.7%, 30.0%

HSV

235.9, 64.6%, 44.3%

CMYK

64.6%, 60.2%, 0.0%, 55.7%

OKLCH

0.336 0.1157 275.1

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#282D71

#716C28

Analogous

#285171

#482871

#282D71

Triadic

#282D71

#71282D

#2D7128

Split Complementary

#282D71

#714828

#517128

Tetradic

#282D71

#712851

#716C28

#287148

Color Blindness Simulation

Original

#282D71

Protanopia

#2A2A61

Deuteranopia

#2A2A5D

Tritanopia

#285451

Achromatopsia

#313131

CSS Usage

background-color: #282D71;
color: #282D71;
border-color: #282D71;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CACDEC
300
#A5A9DF
400
#747ACE
500
#434BBC
600
#353C97
700
#2B3079
800
#21255E
900
#1C1E45
950
#11132C

Contrast Checker

Text on white

12.32:1

AA Pass AAA Pass

Text on black

1.7:1

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