#665FDB

#665FDB

Color Values

HEX

#665FDB

RGB

102, 95, 219

HSL

243,4, 63,3%, 61,6%

HSV

243,4, 56,6%, 85,9%

CMYK

53,4%, 56,6%, 0,0%, 14,1%

OKLCH

0,5591 0,1836 281,2

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#665FDB

#D4DB5F

Analogous

#5F96DB

#A45FDB

#665FDB

Triadic

#665FDB

#DB665F

#5FDB66

Split Complementary

#665FDB

#DBA45F

#96DB5F

Tetradic

#665FDB

#DB5F96

#D4DB5F

#5FDBA4

Color Blindness Simulation

Original

#665FDB

Protanopia

#6363BD

Deuteranopia

#6364B6

Tritanopia

#66A5A0

Achromatopsia

#696969

CSS Usage

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

Tailwind Shades

50
#F4F3FB
100
#E5E4F7
200
#C7C5F2
300
#9F9BE9
400
#6C65DC
500
#382FD0
600
#2D25A7
700
#241E85
800
#1C1768
900
#18154C
950
#0F0D30

Contrast Checker

Text on white

4,97:1

AA Pass AAA Fail

Text on black

4,22:1

AA Fail 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