#664B80

#664B80

Color Values

HEX

#664B80

RGB

102, 75, 128

HSL

270.6, 26.1%, 39.8%

HSV

270.6, 41.4%, 50.2%

CMYK

20.3%, 41.4%, 0.0%, 49.8%

OKLCH

0.464 0.0888 306.7

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#664B80

#65804B

Analogous

#4C4B80

#804B7F

#664B80

Triadic

#664B80

#80664B

#4B8066

Split Complementary

#664B80

#7F804B

#4B804C

Tetradic

#664B80

#804C4B

#65804B

#4B7F80

Color Blindness Simulation

Original

#664B80

Protanopia

#5A5A73

Deuteranopia

#5C5E70

Tritanopia

#656967

Achromatopsia

#555555

CSS Usage

background-color: #664B80;
color: #664B80;
border-color: #664B80;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F7F6F9
100
#EDE9F1
200
#DBD2E5
300
#C2B2D2
400
#A188B9
500
#805EA1
600
#674B81
700
#523C67
800
#402F50
900
#31253C
950
#1F1726

Contrast Checker

Text on white

7.28:1

AA Pass AAA Pass

Text on black

2.88:1

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