#669DC9

#669DC9

Color Values

HEX

#669DC9

RGB

102, 157, 201

HSL

206.7, 47.8%, 59.4%

HSV

206.7, 49.3%, 78.8%

CMYK

49.3%, 21.9%, 0.0%, 21.2%

OKLCH

0.6752 0.0876 243.7

Properties

Cool Light Nearest: skyblue 3

Color Harmonies

Complementary

#669DC9

#C99266

Analogous

#66C9C4

#666BC9

#669DC9

Triadic

#669DC9

#C9669D

#9DC966

Split Complementary

#669DC9

#C9666B

#C9C466

Tetradic

#669DC9

#C466C9

#C99266

#6BC966

Color Blindness Simulation

Original

#669DC9

Protanopia

#7E7EBE

Deuteranopia

#7B76BC

Tritanopia

#69B6B4

Achromatopsia

#949494

CSS Usage

background-color: #669DC9;
color: #669DC9;
border-color: #669DC9;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CADDEC
300
#A5C5DF
400
#74A6CE
500
#4386BC
600
#356B97
700
#2B5679
800
#21435E
900
#1C3345
950
#11202C

Contrast Checker

Text on white

2.9:1

AA Fail AAA Fail

Text on black

7.23:1

AA Pass AAA Pass

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026