#283C37

#283C37

Color Values

HEX

#283C37

RGB

40, 60, 55

HSL

165.0, 20.0%, 19.6%

HSV

165.0, 33.3%, 23.5%

CMYK

33.3%, 0.0%, 8.3%, 76.5%

OKLCH

0.3374 0.0271 177.3

Properties

Cool Dark Nearest: RAL 6036 Pearl Opal Green

Color Harmonies

Complementary

#283C37

#3C282D

Analogous

#283C2D

#28373C

#283C37

Triadic

#283C37

#37283C

#3C3728

Split Complementary

#283C37

#3C2837

#3C2D28

Tetradic

#283C37

#2D283C

#3C282D

#373C28

Color Blindness Simulation

Original

#283C37

Protanopia

#313138

Deuteranopia

#302E38

Tritanopia

#293939

Achromatopsia

#373737

CSS Usage

background-color: #283C37;
color: #283C37;
border-color: #283C37;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F6F9F8
100
#EAF0EF
200
#D4E2DF
300
#B6CEC8
400
#8EB4AA
500
#66998C
600
#527A70
700
#41625A
800
#334D46
900
#283935
950
#192421

Contrast Checker

Text on white

11.72:1

AA Pass AAA Pass

Text on black

1.79:1

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