#666ACA

#666ACA

Color Values

HEX

#666ACA

RGB

102, 106, 202

HSL

237.6, 48.5%, 59.6%

HSV

237.6, 49.5%, 79.2%

CMYK

49.5%, 47.5%, 0.0%, 20.8%

OKLCH

0.5678 0.1456 278.9

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#666ACA

#CAC666

Analogous

#669CCA

#9466CA

#666ACA

Triadic

#666ACA

#CA666A

#6ACA66

Split Complementary

#666ACA

#CA9466

#9CCA66

Tetradic

#666ACA

#CA669C

#CAC666

#66CA94

Color Blindness Simulation

Original

#666ACA

Protanopia

#6868B3

Deuteranopia

#6867AD

Tritanopia

#66A09C

Achromatopsia

#707070

CSS Usage

background-color: #666ACA;
color: #666ACA;
border-color: #666ACA;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CACBED
300
#A4A6DF
400
#7377CE
500
#4247BD
600
#353897
700
#2A2D79
800
#21235F
900
#1B1D46
950
#11122C

Contrast Checker

Text on white

4.69:1

AA Pass AAA Fail

Text on black

4.48:1

AA Fail AAA Fail

Related Articles

Brand Stories

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

ก.พ. 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

ม.ค. 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

ม.ค. 21, 2026