#66ADFD

#66ADFD

Color Values

HEX

#66ADFD

RGB

102, 173, 253

HSL

211,8, 97,4%, 69,6%

HSV

211,8, 59,7%, 99,2%

CMYK

59,7%, 31,6%, 0,0%, 0,8%

OKLCH

0,7351 0,1372 252,7

Properties

Cool Light Nearest: steelblue 1

Color Harmonies

Complementary

#66ADFD

#FDB666

Analogous

#66F8FD

#6B66FD

#66ADFD

Triadic

#66ADFD

#FD66AD

#ADFD66

Split Complementary

#66ADFD

#FD6B66

#F8FD66

Tetradic

#66ADFD

#FD66F8

#FDB666

#66FD6B

Color Blindness Simulation

Original

#66ADFD

Protanopia

#8585EA

Deuteranopia

#817BE5

Tritanopia

#6ADAD7

Achromatopsia

#A4A4A4

CSS Usage

background-color: #66ADFD;
color: #66ADFD;
border-color: #66ADFD;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F1F7FE
100
#DEECFC
200
#B9D9FE
300
#86BEFD
400
#459BFD
500
#0378FC
600
#0360C9
700
#024DA1
800
#023C7E
900
#062E5B
950
#041D39

Contrast Checker

Text on white

2,34:1

AA Fail AAA Fail

Text on black

8,96:1

AA Pass AAA Pass

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026