#282638

#282638

Color Values

HEX

#282638

RGB

40, 38, 56

HSL

246.7, 19.1%, 18.4%

HSV

246.7, 32.1%, 22.0%

CMYK

28.6%, 32.1%, 0.0%, 78.0%

OKLCH

0.2791 0.0329 289.2

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#282638

#363826

Analogous

#262D38

#312638

#282638

Triadic

#282638

#382826

#263828

Split Complementary

#282638

#383126

#2D3826

Tetradic

#282638

#38262D

#363826

#263831

Color Blindness Simulation

Original

#282638

Protanopia

#272734

Deuteranopia

#272733

Tritanopia

#28302F

Achromatopsia

#282828

CSS Usage

background-color: #282638;
color: #282638;
border-color: #282638;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F9
100
#EBEAF0
200
#D6D4E2
300
#B9B6CD
400
#938FB3
500
#6D6798
600
#575379
700
#454261
800
#36344C
900
#2A2839
950
#1B1924

Contrast Checker

Text on white

14.74:1

AA Pass AAA Pass

Text on black

1.42:1

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