#285454

#285454

Color Values

HEX

#285454

RGB

40, 84, 84

HSL

180.0, 35.5%, 24.3%

HSV

180.0, 52.4%, 32.9%

CMYK

52.4%, 0.0%, 0.0%, 67.1%

OKLCH

0.4147 0.0487 195.4

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#285454

#542828

Analogous

#28543E

#283E54

#285454

Triadic

#285454

#542854

#545428

Split Complementary

#285454

#54283E

#543E28

Tetradic

#285454

#3E2854

#542828

#3E5428

Color Blindness Simulation

Original

#285454

Protanopia

#3B3B54

Deuteranopia

#383554

Tritanopia

#2A5454

Achromatopsia

#4B4B4B

CSS Usage

background-color: #285454;
color: #285454;
border-color: #285454;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F5FAFA
100
#E8F3F3
200
#CFE8E8
300
#ACD8D8
400
#7FC2C2
500
#52ADAD
600
#428A8A
700
#356F6F
800
#295656
900
#214040
950
#152828

Contrast Checker

Text on white

8.45:1

AA Pass AAA Pass

Text on black

2.49:1

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