#284141

#284141

Color Values

HEX

#284141

RGB

40, 65, 65

HSL

180.0, 23.8%, 20.6%

HSV

180.0, 38.5%, 25.5%

CMYK

38.5%, 0.0%, 0.0%, 74.5%

OKLCH

0.355 0.0308 195.9

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#284141

#412828

Analogous

#284135

#283541

#284141

Triadic

#284141

#412841

#414128

Split Complementary

#284141

#412835

#413528

Tetradic

#284141

#352841

#412828

#354128

Color Blindness Simulation

Original

#284141

Protanopia

#333341

Deuteranopia

#313041

Tritanopia

#294141

Achromatopsia

#3C3C3C

CSS Usage

background-color: #284141;
color: #284141;
border-color: #284141;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F6F9F9
100
#EAF1F1
200
#D3E4E4
300
#B3D0D0
400
#8AB7B7
500
#619E9E
600
#4E7E7E
700
#3E6565
800
#314F4F
900
#263B3B
950
#182525

Contrast Checker

Text on white

10.92:1

AA Pass AAA Pass

Text on black

1.92:1

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