#5B51DB
Color Details
HEX
#5B51DB
RGB
rgb(91, 81, 219)
HSL
hsl(244, 66%, 59%)
CMYK
cmyk(58%, 63%, 0%, 14%)
Best text on this color
#FFFFFF (CR 5.76:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #5B51DB
#5B51DB converts to RGB(91, 81, 219) and HSL(244, 66%, 59%). 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).
#5B51DB FAQs
What is the RGB value of #5B51DB?
RGB: 91, 81, 219. Copy as CSS:
rgb(91, 81, 219)
Is #5B51DB a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51DB?
Complement: #d2db51.
Does #5B51DB have good contrast on white or black?
On white: 5.76:1 (AA (normal text)).
On black: 3.64:1 (AA (large text)).