#665DCF

#665DCF

Color Values

HEX

#665DCF

RGB

102, 93, 207

HSL

244.7, 54.3%, 58.8%

HSV

244.7, 55.1%, 81.2%

CMYK

50.7%, 55.1%, 0.0%, 18.8%

OKLCH

0.547 0.1703 282.8

Properties

Cool Dark Nearest: slateblue

Color Harmonies

Complementary

#665DCF

#C6CF5D

Analogous

#5D8DCF

#9F5DCF

#665DCF

Triadic

#665DCF

#CF665D

#5DCF66

Split Complementary

#665DCF

#CF9F5D

#8DCF5D

Tetradic

#665DCF

#CF5D8D

#C6CF5D

#5DCF9F

Color Blindness Simulation

Original

#665DCF

Protanopia

#6262B3

Deuteranopia

#6363AD

Tritanopia

#669E99

Achromatopsia

#676767

CSS Usage

background-color: #665DCF;
color: #665DCF;
border-color: #665DCF;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#CBC8EF
300
#A6A1E3
400
#756DD4
500
#453AC5
600
#372F9D
700
#2C257E
800
#231D62
900
#1C1948
950
#12102E

Contrast Checker

Text on white

5.21:1

AA Pass AAA Fail

Text on black

4.03:1

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