#283B49

#283B49

Color Values

HEX

#283B49

RGB

40, 59, 73

HSL

205.5, 29.2%, 22.2%

HSV

205.5, 45.2%, 28.6%

CMYK

45.2%, 19.2%, 0.0%, 71.4%

OKLCH

0.3423 0.0347 240.9

Properties

Cool Dark Nearest: RAL 7026 Granite Grey

Color Harmonies

Complementary

#283B49

#493628

Analogous

#284947

#282B49

#283B49

Triadic

#283B49

#49283B

#3B4928

Split Complementary

#283B49

#49282B

#494728

Tetradic

#283B49

#472849

#493628

#2B4928

Color Blindness Simulation

Original

#283B49

Protanopia

#303046

Deuteranopia

#2F2E45

Tritanopia

#294342

Achromatopsia

#383838

CSS Usage

background-color: #283B49;
color: #283B49;
border-color: #283B49;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F5F8F9
100
#E9EEF2
200
#D1DDE6
300
#B0C4D4
400
#85A5BC
500
#5A85A5
600
#486A84
700
#3A5569
800
#2D4352
900
#24323D
950
#172027

Contrast Checker

Text on white

11.59:1

AA Pass AAA Pass

Text on black

1.81:1

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