#5B51C6
Color Details
HEX
#5B51C6
RGB
rgb(91, 81, 198)
HSL
hsl(245, 51%, 55%)
CMYK
cmyk(54%, 59%, 0%, 22%)
Best text on this color
#FFFFFF (CR 6.11:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #5B51C6
#5B51C6 converts to RGB(91, 81, 198) and HSL(245, 51%, 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).
#5B51C6 FAQs
What is the RGB value of #5B51C6?
RGB: 91, 81, 198. Copy as CSS:
rgb(91, 81, 198)
Is #5B51C6 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51C6?
Complement: #bdc752.
Does #5B51C6 have good contrast on white or black?
On white: 6.11:1 (AA (normal text)).
On black: 3.44:1 (AA (large text)).