#282F51

#282F51

Color Values

HEX

#282F51

RGB

40, 47, 81

HSL

229.8, 33.9%, 23.7%

HSV

229.8, 50.6%, 31.8%

CMYK

50.6%, 42.0%, 0.0%, 68.2%

OKLCH

0.3162 0.0615 273.6

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#282F51

#514A28

Analogous

#284351

#352851

#282F51

Triadic

#282F51

#51282F

#2F5128

Split Complementary

#282F51

#513528

#435128

Tetradic

#282F51

#512843

#514A28

#285135

Color Blindness Simulation

Original

#282F51

Protanopia

#2B2B49

Deuteranopia

#2B2A47

Tritanopia

#284241

Achromatopsia

#303030

CSS Usage

background-color: #282F51;
color: #282F51;
border-color: #282F51;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F5F6FA
100
#E8EAF2
200
#CFD3E7
300
#ADB4D7
400
#818CC1
500
#5463AB
600
#434F89
700
#363F6D
800
#2A3155
900
#22273F
950
#151828

Contrast Checker

Text on white

13.0:1

AA Pass AAA Pass

Text on black

1.62:1

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