#283A49

#283A49

Color Values

HEX

#283A49

RGB

40, 58, 73

HSL

207.3, 29.2%, 22.2%

HSV

207.3, 45.2%, 28.6%

CMYK

45.2%, 20.5%, 0.0%, 71.4%

OKLCH

0.3396 0.0353 244.2

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#283A49

#493728

Analogous

#284948

#282A49

#283A49

Triadic

#283A49

#49283A

#3A4928

Split Complementary

#283A49

#49282A

#494828

Tetradic

#283A49

#482849

#493728

#2A4928

Color Blindness Simulation

Original

#283A49

Protanopia

#303045

Deuteranopia

#2F2D44

Tritanopia

#294342

Achromatopsia

#373737

CSS Usage

background-color: #283A49;
color: #283A49;
border-color: #283A49;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F5F8F9
100
#E9EEF2
200
#D1DCE6
300
#B0C3D4
400
#85A3BC
500
#5A83A5
600
#486984
700
#3A5469
800
#2D4152
900
#24323D
950
#171F27

Contrast Checker

Text on white

11.72:1

AA Pass AAA Pass

Text on black

1.79:1

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