#6566DA

#6566DA

Color Values

HEX

#6566DA

RGB

101, 102, 218

HSL

239.5, 61.3%, 62.5%

HSV

239.5, 53.7%, 85.5%

CMYK

53.7%, 53.2%, 0.0%, 14.5%

OKLCH

0.5702 0.1732 279.0

Properties

Cool Dark Nearest: slateblue

Color Harmonies

Complementary

#6566DA

#DAD965

Analogous

#65A0DA

#9E65DA

#6566DA

Triadic

#6566DA

#DA6566

#66DA65

Split Complementary

#6566DA

#DA9E65

#A0DA65

Tetradic

#6566DA

#DA65A0

#DAD965

#65DA9E

Color Blindness Simulation

Original

#6566DA

Protanopia

#6565BE

Deuteranopia

#6565B7

Tritanopia

#65A8A3

Achromatopsia

#6E6E6E

CSS Usage

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

Tailwind Shades

50
#F3F3FB
100
#E4E4F6
200
#C5C6F1
300
#9C9DE7
400
#6768DA
500
#3133CE
600
#2729A5
700
#202084
800
#191967
900
#16164B
950
#0E0E2F

Contrast Checker

Text on white

4.7:1

AA Pass AAA Fail

Text on black

4.47:1

AA Fail 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