#646CF3

#646CF3

Color Values

HEX

#646CF3

RGB

100, 108, 243

HSL

236.6, 85.6%, 67.3%

HSV

236.6, 58.8%, 95.3%

CMYK

58.8%, 55.6%, 0.0%, 4.7%

OKLCH

0.5981 0.199 276.0

Properties

Cool Light Nearest: mediumslateblue

Color Harmonies

Complementary

#646CF3

#F3EB64

Analogous

#64B4F3

#A464F3

#646CF3

Triadic

#646CF3

#F3646C

#6CF364

Split Complementary

#646CF3

#F3A464

#B4F364

Tetradic

#646CF3

#F364B4

#F3EB64

#64F3A4

Color Blindness Simulation

Original

#646CF3

Protanopia

#6768D2

Deuteranopia

#6766CA

Tritanopia

#64B9B3

Achromatopsia

#747474

CSS Usage

background-color: #646CF3;
color: #646CF3;
border-color: #646CF3;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F2F2FD
100
#E0E2FA
200
#BDC0FA
300
#8D93F6
400
#5059F1
500
#121FED
600
#0F19BD
700
#0C1497
800
#090F76
900
#0B0F56
950
#070A36

Contrast Checker

Text on white

4.22:1

AA Fail AAA Fail

Text on black

4.98:1

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