#3B51BD
Color Details
HEX
#3B51BD
RGB
rgb(59, 81, 189)
HSL
hsl(230, 52%, 49%)
CMYK
cmyk(69%, 57%, 0%, 26%)
Best text on this color
#FFFFFF (CR 6.78:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #3B51BD
#3B51BD converts to RGB(59, 81, 189) and HSL(230, 52%, 49%). 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).
#3B51BD FAQs
What is the RGB value of #3B51BD?
RGB: 59, 81, 189. Copy as CSS:
rgb(59, 81, 189)
Is #3B51BD a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51BD?
Complement: #bea83c.
Does #3B51BD have good contrast on white or black?
On white: 6.78:1 (AA (normal text)).
On black: 3.10:1 (AA (large text)).