#42C8DB

#42C8DB

Color Values

HEX

#42C8DB

RGB

66, 200, 219

HSL

187.5, 68.0%, 55.9%

HSV

187.5, 69.9%, 85.9%

CMYK

69.9%, 8.7%, 0.0%, 14.1%

OKLCH

0.7692 0.1155 208.7

Properties

Cool Light Nearest: turquoise 3

Color Harmonies

Complementary

#42C8DB

#DB5542

Analogous

#42DBA2

#427BDB

#42C8DB

Triadic

#42C8DB

#DB42C8

#C8DB42

Split Complementary

#42C8DB

#DB427B

#DBA242

Tetradic

#42C8DB

#A242DB

#DB5542

#7BDB42

Color Blindness Simulation

Original

#42C8DB

Protanopia

#7C7DD6

Deuteranopia

#746AD5

Tritanopia

#49D3D2

Achromatopsia

#ADADAD

CSS Usage

background-color: #42C8DB;
color: #42C8DB;
border-color: #42C8DB;
Nearest Tailwind: Cyan 400 #22D3EE

Tailwind Shades

50
#F3FBFC
100
#E3F5F7
200
#C3EEF4
300
#98E1EB
400
#60D1E1
500
#29C1D6
600
#219AAB
700
#1A7B89
800
#14606B
900
#13474E
950
#0C2D31

Contrast Checker

Text on white

2.0:1

AA Fail AAA Fail

Text on black

10.52:1

AA Pass AAA Pass

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