#285C5F

#285C5F

Color Values

HEX

#285C5F

RGB

40, 92, 95

HSL

183.3, 40.7%, 26.5%

HSV

183.3, 57.9%, 37.3%

CMYK

57.9%, 3.2%, 0.0%, 62.7%

OKLCH

0.4408 0.0554 200.4

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#285C5F

#5F2B28

Analogous

#285F47

#28415F

#285C5F

Triadic

#285C5F

#5F285C

#5C5F28

Split Complementary

#285C5F

#5F2841

#5F4728

Tetradic

#285C5F

#47285F

#5F2B28

#415F28

Color Blindness Simulation

Original

#285C5F

Protanopia

#3F3F5E

Deuteranopia

#3C385E

Tritanopia

#2B5E5E

Achromatopsia

#515151

CSS Usage

background-color: #285C5F;
color: #285C5F;
border-color: #285C5F;
Nearest Tailwind: Teal 800 #115E59

Tailwind Shades

50
#F5FAFA
100
#E7F3F3
200
#CDE8EA
300
#A9D8DB
400
#7AC3C7
500
#4CAEB3
600
#3C8B90
700
#306F73
800
#26575A
900
#1F4042
950
#13292A

Contrast Checker

Text on white

7.54:1

AA Pass AAA Pass

Text on black

2.79:1

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