#5B51CC

Color Details

HEX
#5B51CC
RGB
rgb(91, 81, 204)
HSL
hsl(245, 55%, 56%)
CMYK
cmyk(55%, 60%, 0%, 20%)
Best text on this color #FFFFFF (CR 6.01:1) Determined by WCAG contrast ratio

Readability Previews

Black on #5b51cc
Contrast 3.49:1 Fail
White on #5b51cc
Contrast 6.01:1 AA
#5b51cc on Black
Contrast 3.49:1 Fail
#5b51cc on White
Contrast 6.01:1 AA

Tints & Shades

#7c74d6
#9d97e0
#bdb9eb
#4941a3
#37317a
#242052

Complement & Analogous

#c2cd51
#9951cd
#5185cd

Triadic

#cd5b51
#51cd5b

Monochrome

#242052 #37317a #5b51cc #9d97e0 #bdb9eb #dedcf5

Analogous

#5185cd #85aadc #5b51cc #ad74d7 #9951cd #7a41a4

Complementary Mix

#37317a #5b51cc #9d97e0 #c2cd51 #d7df8e #7e8535

Nearby Colors

#5b51cb
#5b51cd
#5b51bc
#5b51dc

Embed #5B51CC swatch

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About #5B51CC

#5B51CC converts to RGB(91, 81, 204) and HSL(245, 55%, 56%). This page provides quick readability checks, related hues (complementary and analogous), and ready-made palettes so you can drop the color into UI components, images, or CSS immediately.

Tip: Use the “Best text” chip above as a safe default foreground on this color (chosen by contrast ratio).

#5B51CC FAQs

What is the RGB value of #5B51CC?
RGB: 91, 81, 204. Copy as CSS: rgb(91, 81, 204)
Is #5B51CC a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51CC?
Complement: #c2cd51.
Does #5B51CC have good contrast on white or black?
On white: 6.01:1 (AA (normal text)). On black: 3.49:1 (AA (large text)).