#5B51E9

Color Details

HEX
#5B51E9
RGB
rgb(91, 81, 233)
HSL
hsl(244, 78%, 62%)
CMYK
cmyk(61%, 65%, 0%, 9%)
Best text on this color #FFFFFF (CR 5.53:1) Determined by WCAG contrast ratio

Readability Previews

Black on #5b51e9
Contrast 3.80:1 Fail
White on #5b51e9
Contrast 5.53:1 AA
#5b51e9 on Black
Contrast 3.80:1 Fail
#5b51e9 on White
Contrast 5.53:1 AA

Tints & Shades

#7c74ed
#9d97f2
#bdb9f6
#4941ba
#37318c
#24205d

Complement & Analogous

#e0ea53
#a853ea
#5394ea

Triadic

#ea5d53
#53ea5d

Monochrome

#24205d #37318c #5b51e9 #9d97f2 #bdb9f6 #dedcfb

Analogous

#5394ea #87b4f0 #5b51e9 #b975ee #a853ea #8642bb

Complementary Mix

#37318c #5b51e9 #9d97f2 #e0ea53 #ebf18f #929836

Nearby Colors

#5b51e8
#5b51ea
#5b51d9
#5b51f9

Embed #5B51E9 swatch

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About #5B51E9

#5B51E9 converts to RGB(91, 81, 233) and HSL(244, 78%, 62%). 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).

#5B51E9 FAQs

What is the RGB value of #5B51E9?
RGB: 91, 81, 233. Copy as CSS: rgb(91, 81, 233)
Is #5B51E9 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51E9?
Complement: #e0ea53.
Does #5B51E9 have good contrast on white or black?
On white: 5.53:1 (AA (normal text)). On black: 3.80:1 (AA (large text)).