#42DBFF

#42DBFF

Color Values

HEX

#42DBFF

RGB

66, 219, 255

HSL

191.4, 100.0%, 62.9%

HSV

191.4, 74.1%, 100.0%

CMYK

74.1%, 14.1%, 0.0%, 0.0%

OKLCH

0.8277 0.1328 217.5

Properties

Cool Light Nearest: Sky Blue

Color Harmonies

Complementary

#42DBFF

#FF6642

Analogous

#42FFC4

#427CFF

#42DBFF

Triadic

#42DBFF

#FF42DB

#DBFF42

Split Complementary

#42DBFF

#FF427C

#FFC442

Tetradic

#42DBFF

#C442FF

#FF6642

#7CFF42

Color Blindness Simulation

Original

#42DBFF

Protanopia

#8486F6

Deuteranopia

#7B70F4

Tritanopia

#4AEFEE

Achromatopsia

#BDBDBD

CSS Usage

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

Tailwind Shades

50
#F1FBFE
100
#DEF7FC
200
#B8F1FF
300
#85E8FF
400
#42DBFF
500
#00CFFF
600
#00A5CC
700
#0084A3
800
#006780
900
#054B5C
950
#03303A

Contrast Checker

Text on white

1.64:1

AA Fail AAA Fail

Text on black

12.81:1

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