#2B51B8
Color Details
HEX
#2B51B8
RGB
rgb(43, 81, 184)
HSL
hsl(224, 62%, 45%)
CMYK
cmyk(77%, 56%, 0%, 28%)
Best text on this color
#FFFFFF (CR 7.07:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #2B51B8
#2B51B8 converts to RGB(43, 81, 184) and HSL(224, 62%, 45%). 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).
#2B51B8 FAQs
What is the RGB value of #2B51B8?
RGB: 43, 81, 184. Copy as CSS:
rgb(43, 81, 184)
Is #2B51B8 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #2B51B8?
Complement: #ba942c.
Does #2B51B8 have good contrast on white or black?
On white: 7.07:1 (AAA (normal text)).
On black: 2.97:1 (Fails AA).