#284140

#284140

Color Values

HEX

#284140

RGB

40, 65, 64

HSL

177.6, 23.8%, 20.6%

HSV

177.6, 38.5%, 25.5%

CMYK

38.5%, 0.0%, 1.5%, 74.5%

OKLCH

0.3547 0.0309 192.7

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#284140

#412829

Analogous

#284134

#283641

#284140

Triadic

#284140

#402841

#414028

Split Complementary

#284140

#412836

#413428

Tetradic

#284140

#342841

#412829

#364128

Color Blindness Simulation

Original

#284140

Protanopia

#333340

Deuteranopia

#313040

Tritanopia

#294040

Achromatopsia

#3C3C3C

CSS Usage

background-color: #284140;
color: #284140;
border-color: #284140;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F6F9F9
100
#EAF1F0
200
#D3E4E3
300
#B3D0CF
400
#8AB7B5
500
#619E9B
600
#4E7E7C
700
#3E6563
800
#314F4E
900
#263B3A
950
#182525

Contrast Checker

Text on white

10.94:1

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