#665FCC

#665FCC

Color Values

HEX

#665FCC

RGB

102, 95, 204

HSL

243.9, 51.7%, 58.6%

HSV

243.9, 53.4%, 80.0%

CMYK

50.0%, 53.4%, 0.0%, 20.0%

OKLCH

0.5485 0.1635 282.5

Properties

Cool Dark Nearest: slateblue

Color Harmonies

Complementary

#665FCC

#C5CC5F

Analogous

#5F8ECC

#9D5FCC

#665FCC

Triadic

#665FCC

#CC665F

#5FCC66

Split Complementary

#665FCC

#CC9D5F

#8ECC5F

Tetradic

#665FCC

#CC5F8E

#C5CC5F

#5FCC9D

Color Blindness Simulation

Original

#665FCC

Protanopia

#6363B2

Deuteranopia

#6364AB

Tritanopia

#669D98

Achromatopsia

#686868

CSS Usage

background-color: #665FCC;
color: #665FCC;
border-color: #665FCC;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#CBC9EE
300
#A6A2E1
400
#7670D1
500
#463EC1
600
#38319B
700
#2D277C
800
#231F61
900
#1D1A47
950
#12102D

Contrast Checker

Text on white

5.15:1

AA Pass AAA Fail

Text on black

4.07:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026