#283630

#283630

Color Values

HEX

#283630

RGB

40, 54, 48

HSL

154.3, 14.9%, 18.4%

HSV

154.3, 25.9%, 21.2%

CMYK

25.9%, 0.0%, 11.1%, 78.8%

OKLCH

0.3181 0.0215 166.9

Properties

Cool Dark Nearest: RAL 6009 Fir Green

Color Harmonies

Complementary

#283630

#36282E

Analogous

#283629

#283536

#283630

Triadic

#283630

#302836

#363028

Split Complementary

#283630

#362835

#362928

Tetradic

#283630

#292836

#36282E

#353628

Color Blindness Simulation

Original

#283630

Protanopia

#2E2E31

Deuteranopia

#2D2C32

Tritanopia

#293333

Achromatopsia

#333333

CSS Usage

background-color: #283630;
color: #283630;
border-color: #283630;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F6F8F7
100
#EBEFED
200
#D6E1DC
300
#B9CBC3
400
#93AFA3
500
#6D9282
600
#577568
700
#455E53
800
#364941
900
#2A3731
950
#1A231F

Contrast Checker

Text on white

12.65:1

AA Pass AAA Pass

Text on black

1.66:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026