#282D3C

#282D3C

Color Values

HEX

#282D3C

RGB

40, 45, 60

HSL

225.0, 20.0%, 19.6%

HSV

225.0, 33.3%, 23.5%

CMYK

33.3%, 25.0%, 0.0%, 76.5%

OKLCH

0.299 0.0282 270.3

Properties

Cool Dark Nearest: RAL 5008 Grey Blue

Color Harmonies

Complementary

#282D3C

#3C3728

Analogous

#28373C

#2D283C

#282D3C

Triadic

#282D3C

#3C282D

#2D3C28

Split Complementary

#282D3C

#3C2D28

#373C28

Tetradic

#282D3C

#3C2837

#3C3728

#283C2D

Color Blindness Simulation

Original

#282D3C

Protanopia

#2A2A38

Deuteranopia

#2A2A38

Tritanopia

#283635

Achromatopsia

#2D2D2D

CSS Usage

background-color: #282D3C;
color: #282D3C;
border-color: #282D3C;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D4D8E2
300
#B6BCCE
400
#8E97B4
500
#667399
600
#525C7A
700
#414962
800
#33394D
900
#282C39
950
#191C24

Contrast Checker

Text on white

13.72:1

AA Pass AAA Pass

Text on black

1.53:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026