#2B51E4
Color Details
HEX
#2B51E4
RGB
rgb(43, 81, 228)
HSL
hsl(228, 77%, 53%)
CMYK
cmyk(81%, 64%, 0%, 11%)
Best text on this color
#FFFFFF (CR 6.18:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #2B51E4
#2B51E4 converts to RGB(43, 81, 228) and HSL(228, 77%, 53%). 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).
#2B51E4 FAQs
What is the RGB value of #2B51E4?
RGB: 43, 81, 228. Copy as CSS:
rgb(43, 81, 228)
Is #2B51E4 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #2B51E4?
Complement: #e3bf2b.
Does #2B51E4 have good contrast on white or black?
On white: 6.18:1 (AA (normal text)).
On black: 3.40:1 (AA (large text)).