#3B51BC
Color Details
HEX
#3B51BC
RGB
rgb(59, 81, 188)
HSL
hsl(230, 52%, 48%)
CMYK
cmyk(69%, 57%, 0%, 26%)
Best text on this color
#FFFFFF (CR 6.80:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #3B51BC
#3B51BC converts to RGB(59, 81, 188) and HSL(230, 52%, 48%). 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).
#3B51BC FAQs
What is the RGB value of #3B51BC?
RGB: 59, 81, 188. Copy as CSS:
rgb(59, 81, 188)
Is #3B51BC a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #3B51BC?
Complement: #baa53b.
Does #3B51BC have good contrast on white or black?
On white: 6.80:1 (AA (normal text)).
On black: 3.09:1 (AA (large text)).