#6566FE

#6566FE

Color Values

HEX

#6566FE

RGB

101, 102, 254

HSL

239.6, 98.7%, 69.6%

HSV

239.6, 60.2%, 99.6%

CMYK

60.2%, 59.8%, 0.0%, 0.4%

OKLCH

0.5967 0.2202 277.1

Properties

Cool Light Nearest: slateblue 1

Color Harmonies

Complementary

#6566FE

#FEFD65

Analogous

#65B3FE

#B065FE

#6566FE

Triadic

#6566FE

#FE6566

#66FE65

Split Complementary

#6566FE

#FEB065

#B3FE65

Tetradic

#6566FE

#FE65B3

#FEFD65

#65FEB0

Color Blindness Simulation

Original

#6566FE

Protanopia

#6565D9

Deuteranopia

#6565D0

Tritanopia

#65BCB6

Achromatopsia

#717171

CSS Usage

background-color: #6566FE;
color: #6566FE;
border-color: #6566FE;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F1F1FE
100
#DEDEFC
200
#B8B9FF
300
#8586FE
400
#4445FE
500
#0203FD
600
#0103CB
700
#0102A2
800
#01027F
900
#05065B
950
#03043A

Contrast Checker

Text on white

4.3:1

AA Fail AAA Fail

Text on black

4.89:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026