#28878F

#28878F

Color Values

HEX

#28878F

RGB

40, 135, 143

HSL

184.7, 56.3%, 35.9%

HSV

184.7, 72.0%, 56.1%

CMYK

72.0%, 5.6%, 0.0%, 43.9%

OKLCH

0.5732 0.0859 203.3

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#28878F

#8F3028

Analogous

#288F64

#28538F

#28878F

Triadic

#28878F

#8F2887

#878F28

Split Complementary

#28878F

#8F2853

#8F6428

Tetradic

#28878F

#64288F

#8F3028

#538F28

Color Blindness Simulation

Original

#28878F

Protanopia

#51528D

Deuteranopia

#4C448D

Tritanopia

#2D8C8B

Achromatopsia

#737373

CSS Usage

background-color: #28878F;
color: #28878F;
border-color: #28878F;
Nearest Tailwind: Teal 700 #0F766E

Tailwind Shades

50
#F4FAFB
100
#E5F4F6
200
#C7ECEF
300
#9FDFE4
400
#6CCDD6
500
#38BCC7
600
#2D969F
700
#247880
800
#1C5E64
900
#184549
950
#0F2C2E

Contrast Checker

Text on white

4.24:1

AA Fail AAA Fail

Text on black

4.95:1

AA Pass 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