#646BFD

#646BFD

Color Values

HEX

#646BFD

RGB

100, 107, 253

HSL

237.3, 97.5%, 69.2%

HSV

237.3, 60.5%, 99.2%

CMYK

60.5%, 57.7%, 0.0%, 0.8%

OKLCH

0.6037 0.2132 275.9

Properties

Cool Light Nearest: slateblue 1

Color Harmonies

Complementary

#646BFD

#FDF664

Analogous

#64B7FD

#AA64FD

#646BFD

Triadic

#646BFD

#FD646B

#6BFD64

Split Complementary

#646BFD

#FDAA64

#B7FD64

Tetradic

#646BFD

#FD64B7

#FDF664

#64FDAA

Color Blindness Simulation

Original

#646BFD

Protanopia

#6767DA

Deuteranopia

#6766D1

Tritanopia

#64BEB8

Achromatopsia

#747474

CSS Usage

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

Tailwind Shades

50
#F1F2FE
100
#DEE0FC
200
#B8BCFE
300
#868CFD
400
#454DFD
500
#030EFC
600
#030CC9
700
#0209A1
800
#02077E
900
#060A5B
950
#040639

Contrast Checker

Text on white

4.15:1

AA Fail AAA Fail

Text on black

5.06:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026