#66AAFD

#66AAFD

Color Values

HEX

#66AAFD

RGB

102, 170, 253

HSL

213.0, 97.4%, 69.6%

HSV

213.0, 59.7%, 99.2%

CMYK

59.7%, 32.8%, 0.0%, 0.8%

OKLCH

0.7287 0.1399 254.4

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#66AAFD

#FDB966

Analogous

#66F5FD

#6E66FD

#66AAFD

Triadic

#66AAFD

#FD66AA

#AAFD66

Split Complementary

#66AAFD

#FD6E66

#F5FD66

Tetradic

#66AAFD

#FD66F5

#FDB966

#66FD6E

Color Blindness Simulation

Original

#66AAFD

Protanopia

#8384E9

Deuteranopia

#807AE4

Tritanopia

#69D9D6

Achromatopsia

#A2A2A2

CSS Usage

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

Tailwind Shades

50
#F1F7FE
100
#DEECFC
200
#B9D8FE
300
#86BCFD
400
#4597FD
500
#0373FC
600
#035CC9
700
#024AA1
800
#023A7E
900
#062C5B
950
#041C39

Contrast Checker

Text on white

2.4:1

AA Fail AAA Fail

Text on black

8.73:1

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