#669BA3

#669BA3

Color Values

HEX

#669BA3

RGB

102, 155, 163

HSL

187,9, 24,9%, 52,0%

HSV

187,9, 37,4%, 63,9%

CMYK

37,4%, 4,9%, 0,0%, 36,1%

OKLCH

0,6553 0,0573 207,8

Properties

Cool Light Nearest: cadetblue

Color Harmonies

Complementary

#669BA3

#A36E66

Analogous

#66A38D

#667DA3

#669BA3

Triadic

#669BA3

#A3669B

#9BA366

Split Complementary

#669BA3

#A3667D

#A38D66

Tetradic

#669BA3

#8D66A3

#A36E66

#7DA366

Color Blindness Simulation

Original

#669BA3

Protanopia

#7D7DA1

Deuteranopia

#7A76A1

Tritanopia

#69A09F

Achromatopsia

#909090

CSS Usage

background-color: #669BA3;
color: #669BA3;
border-color: #669BA3;
Nearest Tailwind: Slate 400 #94A3B8

Tailwind Shades

50
#F6F9F9
100
#E9F0F1
200
#D2E2E4
300
#B3CDD1
400
#89B2B8
500
#60979F
600
#4D797F
700
#3D6166
800
#304B50
900
#26383B
950
#182425

Contrast Checker

Text on white

3,1:1

AA Fail AAA Fail

Text on black

6,78:1

AA Pass AAA Fail

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