#28585C

#28585C

Color Values

HEX

#28585C

RGB

40, 88, 92

HSL

184.6, 39.4%, 25.9%

HSV

184.6, 56.5%, 36.1%

CMYK

56.5%, 4.3%, 0.0%, 63.9%

OKLCH

0.4288 0.0523 202.7

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#28585C

#5C2C28

Analogous

#285C46

#283E5C

#28585C

Triadic

#28585C

#5C2858

#585C28

Split Complementary

#28585C

#5C283E

#5C4628

Tetradic

#28585C

#46285C

#5C2C28

#3E5C28

Color Blindness Simulation

Original

#28585C

Protanopia

#3D3D5B

Deuteranopia

#3A365B

Tritanopia

#2A5A5A

Achromatopsia

#4E4E4E

CSS Usage

background-color: #28585C;
color: #28585C;
border-color: #28585C;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F5FAFA
100
#E7F2F3
200
#CDE7E9
300
#AAD6DA
400
#7BC0C6
500
#4DAAB2
600
#3E888E
700
#316D72
800
#275559
900
#1F3F42
950
#142829

Contrast Checker

Text on white

7.95:1

AA Pass AAA Pass

Text on black

2.64:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026