#284249

#284249

Color Values

HEX

#284249

RGB

40, 66, 73

HSL

192.7, 29.2%, 22.2%

HSV

192.7, 45.2%, 28.6%

CMYK

45.2%, 9.6%, 0.0%, 71.4%

OKLCH

0.3611 0.034 216.6

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#284249

#492F28

Analogous

#284940

#283249

#284249

Triadic

#284249

#492842

#424928

Split Complementary

#284249

#492832

#494028

Tetradic

#284249

#402849

#492F28

#324928

Color Blindness Simulation

Original

#284249

Protanopia

#333347

Deuteranopia

#323047

Tritanopia

#294646

Achromatopsia

#3D3D3D

CSS Usage

background-color: #284249;
color: #284249;
border-color: #284249;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F5F8F9
100
#E9F0F2
200
#D1E1E6
300
#B0CCD4
400
#85B1BC
500
#5A95A5
600
#487784
700
#3A5F69
800
#2D4A52
900
#24383D
950
#172327

Contrast Checker

Text on white

10.68:1

AA Pass AAA Pass

Text on black

1.97:1

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