#669DC7

#669DC7

Color Values

HEX

#669DC7

RGB

102, 157, 199

HSL

206.0, 46.4%, 59.0%

HSV

206.0, 48.7%, 78.0%

CMYK

48.7%, 21.1%, 0.0%, 22.0%

OKLCH

0.6743 0.0854 242.5

Properties

Cool Light Nearest: skyblue 3

Color Harmonies

Complementary

#669DC7

#C79066

Analogous

#66C7C0

#666CC7

#669DC7

Triadic

#669DC7

#C7669D

#9DC766

Split Complementary

#669DC7

#C7666C

#C7C066

Tetradic

#669DC7

#C066C7

#C79066

#6CC766

Color Blindness Simulation

Original

#669DC7

Protanopia

#7E7EBD

Deuteranopia

#7B76BA

Tritanopia

#69B5B3

Achromatopsia

#949494

CSS Usage

background-color: #669DC7;
color: #669DC7;
border-color: #669DC7;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CBDEEC
300
#A5C6DE
400
#75A6CC
500
#4487BB
600
#376C95
700
#2C5777
800
#22445D
900
#1C3345
950
#12202B

Contrast Checker

Text on white

2.91:1

AA Fail AAA Fail

Text on black

7.21:1

AA Pass AAA Pass

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026