#5B51EF

Color Details

HEX
#5B51EF
RGB
rgb(91, 81, 239)
HSL
hsl(244, 83%, 63%)
CMYK
cmyk(62%, 66%, 0%, 6%)
Best text on this color #FFFFFF (CR 5.43:1) Determined by WCAG contrast ratio

Readability Previews

Black on #5b51ef
Contrast 3.87:1 Fail
White on #5b51ef
Contrast 5.43:1 AA
#5b51ef on Black
Contrast 3.87:1 Fail
#5b51ef on White
Contrast 5.43:1 AA

Tints & Shades

#7c74f2
#9d97f5
#bdb9f9
#4941bf
#37318f
#242060

Complement & Analogous

#e5ef52
#ab52ef
#5296ef

Triadic

#ef5d52
#52ef5d

Monochrome

#242060 #37318f #5b51ef #9d97f5 #bdb9f9 #dedcfc

Analogous

#5296ef #86b6f4 #5b51ef #bc75f2 #ab52ef #8942bf

Complementary Mix

#37318f #5b51ef #9d97f5 #e5ef52 #eef58f #959b35

Nearby Colors

#5b51ee
#5b51f0
#5b51df
#5b51ff

Embed #5B51EF swatch

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About #5B51EF

#5B51EF converts to RGB(91, 81, 239) and HSL(244, 83%, 63%). 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).

#5B51EF FAQs

What is the RGB value of #5B51EF?
RGB: 91, 81, 239. Copy as CSS: rgb(91, 81, 239)
Is #5B51EF a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51EF?
Complement: #e5ef52.
Does #5B51EF have good contrast on white or black?
On white: 5.43:1 (AA (normal text)). On black: 3.87:1 (AA (large text)).