#5B51B8
Color Details
HEX
#5B51B8
RGB
rgb(91, 81, 184)
HSL
hsl(246, 42%, 52%)
CMYK
cmyk(51%, 56%, 0%, 28%)
Best text on this color
#FFFFFF (CR 6.34:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #5B51B8
#5B51B8 converts to RGB(91, 81, 184) and HSL(246, 42%, 52%). 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).
#5B51B8 FAQs
What is the RGB value of #5B51B8?
RGB: 91, 81, 184. Copy as CSS:
rgb(91, 81, 184)
Is #5B51B8 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51B8?
Complement: #aeb851.
Does #5B51B8 have good contrast on white or black?
On white: 6.34:1 (AA (normal text)).
On black: 3.31:1 (AA (large text)).