#51A1FE
Color Details
HEX
#51A1FE
RGB
rgb(81, 161, 254)
HSL
hsl(212, 99%, 66%)
CMYK
cmyk(68%, 37%, 0%, 0%)
Best text on this color
#000000 (CR 7.88:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #51A1FE
#51A1FE converts to RGB(81, 161, 254) and HSL(212, 99%, 66%). 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).
#51A1FE FAQs
What is the RGB value of #51A1FE?
RGB: 81, 161, 254. Copy as CSS:
rgb(81, 161, 254)
Is #51A1FE a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #51A1FE?
Complement: #feae52.
Does #51A1FE have good contrast on white or black?
On white: 2.67:1 (Fails AA).
On black: 7.88:1 (AAA (normal text)).