#2B51E9
Color Details
HEX
#2B51E9
RGB
rgb(43, 81, 233)
HSL
hsl(228, 81%, 54%)
CMYK
cmyk(82%, 65%, 0%, 9%)
Best text on this color
#FFFFFF (CR 6.08:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #2B51E9
#2B51E9 converts to RGB(43, 81, 233) and HSL(228, 81%, 54%). 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).
#2B51E9 FAQs
What is the RGB value of #2B51E9?
RGB: 43, 81, 233. Copy as CSS:
rgb(43, 81, 233)
Is #2B51E9 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #2B51E9?
Complement: #e9c32b.
Does #2B51E9 have good contrast on white or black?
On white: 6.08:1 (AA (normal text)).
On black: 3.46:1 (AA (large text)).