#5B51CF

Color Details

HEX
#5B51CF
RGB
rgb(91, 81, 207)
HSL
hsl(245, 57%, 56%)
CMYK
cmyk(56%, 61%, 0%, 19%)
Best text on this color #FFFFFF (CR 5.96:1) Determined by WCAG contrast ratio

Readability Previews

Black on #5b51cf
Contrast 3.52:1 Fail
White on #5b51cf
Contrast 5.96:1 AA
#5b51cf on Black
Contrast 3.52:1 Fail
#5b51cf on White
Contrast 5.96:1 AA

Tints & Shades

#7c74d9
#9d97e2
#bdb9ec
#4941a6
#37317c
#242053

Complement & Analogous

#c4cf4f
#994fcf
#4f84cf

Triadic

#cf5a4f
#4fcf5a

Monochrome

#242053 #37317c #5b51cf #9d97e2 #bdb9ec #dedcf5

Analogous

#4f84cf #84a9dd #5b51cf #ad72d9 #994fcf #7a3fa6

Complementary Mix

#37317c #5b51cf #9d97e2 #c4cf4f #d9e08d #7f8733

Nearby Colors

#5b51ce
#5b51d0
#5b51bf
#5b51df

Embed #5B51CF swatch

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About #5B51CF

#5B51CF converts to RGB(91, 81, 207) and HSL(245, 57%, 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).

#5B51CF FAQs

What is the RGB value of #5B51CF?
RGB: 91, 81, 207. Copy as CSS: rgb(91, 81, 207)
Is #5B51CF a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51CF?
Complement: #c4cf4f.
Does #5B51CF have good contrast on white or black?
On white: 5.96:1 (AA (normal text)). On black: 3.52:1 (AA (large text)).