#282637

#282637

Color Values

HEX

#282637

RGB

40, 38, 55

HSL

247.1, 18.3%, 18.2%

HSV

247.1, 30.9%, 21.6%

CMYK

27.3%, 30.9%, 0.0%, 78.4%

OKLCH

0.2786 0.0311 289.6

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#282637

#353726

Analogous

#262C37

#302637

#282637

Triadic

#282637

#372826

#263728

Split Complementary

#282637

#373026

#2C3726

Tetradic

#282637

#37262C

#353726

#263730

Color Blindness Simulation

Original

#282637

Protanopia

#272733

Deuteranopia

#272732

Tritanopia

#28302F

Achromatopsia

#282828

CSS Usage

background-color: #282637;
color: #282637;
border-color: #282637;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F9
100
#EBEAF0
200
#D6D5E2
300
#B9B7CD
400
#938FB2
500
#6E6897
600
#585379
700
#464361
800
#37344B
900
#2A2838
950
#1B1A24

Contrast Checker

Text on white

14.76:1

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