#669DCC

#669DCC

Color Values

HEX

#669DCC

RGB

102, 157, 204

HSL

207.6, 50.0%, 60.0%

HSV

207.6, 50.0%, 80.0%

CMYK

50.0%, 23.0%, 0.0%, 20.0%

OKLCH

0.6765 0.091 245.5

Properties

Cool Light Nearest: skyblue 3

Color Harmonies

Complementary

#669DCC

#CC9566

Analogous

#66CCC8

#666ACC

#669DCC

Triadic

#669DCC

#CC669D

#9DCC66

Split Complementary

#669DCC

#CC666A

#CCC866

Tetradic

#669DCC

#C866CC

#CC9566

#6ACC66

Color Blindness Simulation

Original

#669DCC

Protanopia

#7E7EC1

Deuteranopia

#7B76BE

Tritanopia

#69B8B6

Achromatopsia

#959595

CSS Usage

background-color: #669DCC;
color: #669DCC;
border-color: #669DCC;
Nearest Tailwind: Sky 500 #0EA5E9

Tailwind Shades

50
#F4F8FB
100
#E6EEF5
200
#C9DDED
300
#A3C4E0
400
#71A4D0
500
#4085BF
600
#336A99
700
#29557A
800
#204260
900
#1B3246
950
#11202C

Contrast Checker

Text on white

2.89:1

AA Fail AAA Fail

Text on black

7.26:1

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