#283C41

#283C41

Color Values

HEX

#283C41

RGB

40, 60, 65

HSL

192.0, 23.8%, 20.6%

HSV

192.0, 38.5%, 25.5%

CMYK

38.5%, 7.7%, 0.0%, 74.5%

OKLCH

0.3413 0.0269 215.0

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#283C41

#412D28

Analogous

#28413A

#283041

#283C41

Triadic

#283C41

#41283C

#3C4128

Split Complementary

#283C41

#412830

#413A28

Tetradic

#283C41

#3A2841

#412D28

#304128

Color Blindness Simulation

Original

#283C41

Protanopia

#313140

Deuteranopia

#302E40

Tritanopia

#293F3F

Achromatopsia

#383838

CSS Usage

background-color: #283C41;
color: #283C41;
border-color: #283C41;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F6F8F9
100
#EAEFF1
200
#D3E0E4
300
#B3CBD0
400
#8AAEB7
500
#61929E
600
#4E757E
700
#3E5D65
800
#31494F
900
#26373B
950
#182325

Contrast Checker

Text on white

11.58:1

AA Pass AAA Pass

Text on black

1.81:1

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