#42BAFF

#42BAFF

Color Values

HEX

#42BAFF

RGB

66, 186, 255

HSL

201.9, 100.0%, 62.9%

HSV

201.9, 74.1%, 100.0%

CMYK

74.1%, 27.1%, 0.0%, 0.0%

OKLCH

0.7523 0.144 238.6

Properties

Cool Light Nearest: steelblue 1

Color Harmonies

Complementary

#42BAFF

#FF8742

Analogous

#42FFE5

#425BFF

#42BAFF

Triadic

#42BAFF

#FF42BA

#BAFF42

Split Complementary

#42BAFF

#FF425B

#FFE542

Tetradic

#42BAFF

#E542FF

#FF8742

#5BFF42

Color Blindness Simulation

Original

#42BAFF

Protanopia

#7677EE

Deuteranopia

#6F66EA

Tritanopia

#48E1DE

Achromatopsia

#A5A5A5

CSS Usage

background-color: #42BAFF;
color: #42BAFF;
border-color: #42BAFF;
Nearest Tailwind: Sky 400 #38BDF8

Tailwind Shades

50
#F1F9FE
100
#DEF1FC
200
#B8E5FF
300
#85D2FF
400
#42BAFF
500
#00A2FF
600
#0082CC
700
#0068A3
800
#005180
900
#053C5C
950
#03263A

Contrast Checker

Text on white

2.17:1

AA Fail AAA Fail

Text on black

9.7:1

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