#6663AB

#6663AB

Color Values

HEX

#6663AB

RGB

102, 99, 171

HSL

242.5, 30.0%, 52.9%

HSV

242.5, 42.1%, 67.1%

CMYK

40.4%, 42.1%, 0.0%, 32.9%

OKLCH

0.5352 0.111 283.9

Properties

Cool Dark Nearest: Blue Violet

Color Harmonies

Complementary

#6663AB

#A8AB63

Analogous

#6384AB

#8A63AB

#6663AB

Triadic

#6663AB

#AB6663

#63AB66

Split Complementary

#6663AB

#AB8A63

#84AB63

Tetradic

#6663AB

#AB6384

#A8AB63

#63AB8A

Color Blindness Simulation

Original

#6663AB

Protanopia

#65659A

Deuteranopia

#656595

Tritanopia

#668C89

Achromatopsia

#696969

CSS Usage

background-color: #6663AB;
color: #6663AB;
border-color: #6663AB;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F6F5F9
100
#E9E9F2
200
#D1D1E6
300
#B1AFD4
400
#8784BD
500
#5C59A6
600
#4A4785
700
#3B396A
800
#2E2D53
900
#24233E
950
#171627

Contrast Checker

Text on white

5.33:1

AA Pass AAA Fail

Text on black

3.94:1

AA Fail 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