#5B51C8

Color Details

HEX
#5B51C8
RGB
rgb(91, 81, 200)
HSL
hsl(245, 52%, 55%)
CMYK
cmyk(55%, 60%, 0%, 22%)
Best text on this color #FFFFFF (CR 6.08:1) Determined by WCAG contrast ratio

Complement & Analogous

Monochrome

Analogous

Complementary Mix

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About #5B51C8

#5B51C8 converts to RGB(91, 81, 200) and HSL(245, 52%, 55%). 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).

#5B51C8 FAQs

What is the RGB value of #5B51C8?
RGB: 91, 81, 200. Copy as CSS: rgb(91, 81, 200)
Is #5B51C8 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51C8?
Complement: #bec851.
Does #5B51C8 have good contrast on white or black?
On white: 6.08:1 (AA (normal text)). On black: 3.46:1 (AA (large text)).