#3B51EA
Color Details
HEX
#3B51EA
RGB
rgb(59, 81, 234)
HSL
hsl(232, 81%, 57%)
CMYK
cmyk(75%, 65%, 0%, 8%)
Best text on this color
#FFFFFF (CR 5.91:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #3B51EA
#3B51EA converts to RGB(59, 81, 234) and HSL(232, 81%, 57%). 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).
#3B51EA FAQs
What is the RGB value of #3B51EA?
RGB: 59, 81, 234. Copy as CSS:
rgb(59, 81, 234)
Is #3B51EA a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51EA?
Complement: #ead239.
Does #3B51EA have good contrast on white or black?
On white: 5.91:1 (AA (normal text)).
On black: 3.55:1 (AA (large text)).