#284144

#284144

Color Values

HEX

#284144

RGB

40, 65, 68

HSL

186.4, 25.9%, 21.2%

HSV

186.4, 41.2%, 26.7%

CMYK

41.2%, 4.4%, 0.0%, 73.3%

OKLCH

0.3563 0.0312 205.4

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#284144

#442B28

Analogous

#284439

#283344

#284144

Triadic

#284144

#442841

#414428

Split Complementary

#284144

#442833

#443928

Tetradic

#284144

#392844

#442B28

#334428

Color Blindness Simulation

Original

#284144

Protanopia

#333343

Deuteranopia

#313043

Tritanopia

#294343

Achromatopsia

#3C3C3C

CSS Usage

background-color: #284144;
color: #284144;
border-color: #284144;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F6F9F9
100
#E9F0F1
200
#D2E3E5
300
#B2CED2
400
#88B4B9
500
#5E99A1
600
#4C7B80
700
#3C6267
800
#2F4D50
900
#25393C
950
#172426

Contrast Checker

Text on white

10.88:1

AA Pass AAA Pass

Text on black

1.93:1

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