#2B51DD
Color Details
HEX
#2B51DD
RGB
rgb(43, 81, 221)
HSL
hsl(227, 72%, 52%)
CMYK
cmyk(81%, 63%, 0%, 13%)
Best text on this color
#FFFFFF (CR 6.32:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #2B51DD
#2B51DD converts to RGB(43, 81, 221) and HSL(227, 72%, 52%). 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).
#2B51DD FAQs
What is the RGB value of #2B51DD?
RGB: 43, 81, 221. Copy as CSS:
rgb(43, 81, 221)
Is #2B51DD a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #2B51DD?
Complement: #ddb72c.
Does #2B51DD have good contrast on white or black?
On white: 6.32:1 (AA (normal text)).
On black: 3.32:1 (AA (large text)).