#646AC0

#646AC0

Color Values

HEX

#646AC0

RGB

100, 106, 192

HSL

236,1, 42,2%, 57,3%

HSV

236,1, 47,9%, 75,3%

CMYK

47,9%, 44,8%, 0,0%, 24,7%

OKLCH

0,5601 0,1318 278,2

Properties

Cool Dark Nearest: Blue Violet

Color Harmonies

Complementary

#646AC0

#C0BA64

Analogous

#6498C0

#8C64C0

#646AC0

Triadic

#646AC0

#C0646A

#6AC064

Split Complementary

#646AC0

#C08C64

#98C064

Tetradic

#646AC0

#C06498

#C0BA64

#64C08C

Color Blindness Simulation

Original

#646AC0

Protanopia

#6767AB

Deuteranopia

#6666A6

Tritanopia

#649B97

Achromatopsia

#6F6F6F

CSS Usage

background-color: #646AC0;
color: #646AC0;
border-color: #646AC0;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F5F5FA
100
#E7E8F4
200
#CCCEEA
300
#A8ABDC
400
#797EC8
500
#4A51B5
600
#3B4191
700
#2F3474
800
#25285B
900
#1E2043
950
#13142A

Contrast Checker

Text on white

4,81:1

AA Pass AAA Fail

Text on black

4,36:1

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