HEX Color #665FC5 (Slateblue)

About #665FC5

At its core, #665FC5 is a medium and moderate hue. Designers often compare it to the standard color Slateblue. This translates to an RGB value of rgb(102, 95, 197).

While screens use RGB, printing presses rely on Cyan, Magenta, Yellow, and Key (black). Its ink density profile breaks down to 48% cyan, 52% magenta, 0% yellow, and 23% black. Always request a physical proof before doing a large print run with this exact code.

Ensuring your text is legible against this background is a key part of web design. Mathematical luminance calculations suggest that #FFFFFF text provides the most optimal reading experience. Strict adherence to these ratios protects visually impaired users from unreadable interfaces.

Color Space Conversions

HEX#665FC5

RGB102, 95, 197

HSL244.1°, 46.8%, 57.3%

CMYK48%, 52%, 0%, 23%

HSV244.1°, 51.8%, 77.3%

LAB45.7, 29.7, -52.6

XYZ19.6, 15.0, 54.7

Decimal6709189

Color Harmonies

Complementary

#665FC5 #BDC45F

Analogous

#5F8BC4 #995FC4

Triadic

#C4665F #5FC466

Tetradic

#C45F8A #BDC45F #5FC499

Tints, Shades & Tones

Tints (Adding White)

#665FC5

#7770CB

#8882D1

#9994D8

#AAA6DE

#BBB7E5

#CCC9EB

#DDDBF2

#EEEDF8

#FFFFFF

Shades (Adding Black)

#665FC5

#5A54AF

#4F4999

#443F83

#38346D

#2D2A57

#221F41

#16152B

#0B0A15

#000000

WCAG Contrast Accessibility

5.24:1

Text on #FFFFFF

AA

4.01:1

Text on #000000

AA Large

5.01:1

Text on #F8FAFC

AA

3.41:1

Text on #0F172A

AA Large

CSS Implementation

.bg-color { background-color: #665FC5; }

.text-color { color: #665FC5; }

.border-color { border: 2px solid #665FC5; }

Similar Colors

Slateblue

#6A5ACD