#28424D

#28424D

Color Values

HEX

#28424D

RGB

40, 66, 77

HSL

197.8, 31.6%, 22.9%

HSV

197.8, 48.1%, 30.2%

CMYK

48.1%, 14.3%, 0.0%, 69.8%

OKLCH

0.3629 0.037 226.6

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#28424D

#4D3328

Analogous

#284D45

#282F4D

#28424D

Triadic

#28424D

#4D2842

#424D28

Split Complementary

#28424D

#4D282F

#4D4528

Tetradic

#28424D

#45284D

#4D3328

#2F4D28

Color Blindness Simulation

Original

#28424D

Protanopia

#33334A

Deuteranopia

#32304A

Tritanopia

#294848

Achromatopsia

#3D3D3D

CSS Usage

background-color: #28424D;
color: #28424D;
border-color: #28424D;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F5F8F9
100
#E8EFF2
200
#D0E0E7
300
#AECAD5
400
#83ADBE
500
#5790A8
600
#467386
700
#385C6B
800
#2C4854
900
#23363E
950
#162227

Contrast Checker

Text on white

10.62:1

AA Pass AAA Pass

Text on black

1.98:1

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