#2B51FF
Color Details
HEX
#2B51FF
RGB
rgb(43, 81, 255)
HSL
hsl(229, 100%, 58%)
CMYK
cmyk(83%, 68%, 0%, 0%)
Best text on this color
#FFFFFF (CR 5.64:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #2B51FF
#2B51FF converts to RGB(43, 81, 255) and HSL(229, 100%, 58%). 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).
#2B51FF FAQs
What is the RGB value of #2B51FF?
RGB: 43, 81, 255. Copy as CSS:
rgb(43, 81, 255)
Is #2B51FF a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #2B51FF?
Complement: #ffd829.
Does #2B51FF have good contrast on white or black?
On white: 5.64:1 (AA (normal text)).
On black: 3.72:1 (AA (large text)).