#5B51E4
Color Details
HEX
#5B51E4
RGB
rgb(91, 81, 228)
HSL
hsl(244, 73%, 61%)
CMYK
cmyk(60%, 64%, 0%, 11%)
Best text on this color
#FFFFFF (CR 5.61:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #5B51E4
#5B51E4 converts to RGB(91, 81, 228) and HSL(244, 73%, 61%). 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).
#5B51E4 FAQs
What is the RGB value of #5B51E4?
RGB: 91, 81, 228. Copy as CSS:
rgb(91, 81, 228)
Is #5B51E4 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #5B51E4?
Complement: #dae453.
Does #5B51E4 have good contrast on white or black?
On white: 5.61:1 (AA (normal text)).
On black: 3.74:1 (AA (large text)).