#2B51D9
Color Details
HEX
#2B51D9
RGB
rgb(43, 81, 217)
HSL
hsl(227, 70%, 51%)
CMYK
cmyk(80%, 63%, 0%, 15%)
Best text on this color
#FFFFFF (CR 6.40:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #2B51D9
#2B51D9 converts to RGB(43, 81, 217) and HSL(227, 70%, 51%). 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).
#2B51D9 FAQs
What is the RGB value of #2B51D9?
RGB: 43, 81, 217. Copy as CSS:
rgb(43, 81, 217)
Is #2B51D9 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #2B51D9?
Complement: #dab42b.
Does #2B51D9 have good contrast on white or black?
On white: 6.40:1 (AA (normal text)).
On black: 3.28:1 (AA (large text)).