#51A1BB
Color Details
HEX
#51A1BB
RGB
rgb(81, 161, 187)
HSL
hsl(195, 44%, 53%)
CMYK
cmyk(57%, 14%, 0%, 27%)
Best text on this color
#000000 (CR 7.17:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #51A1BB
#51A1BB converts to RGB(81, 161, 187) and HSL(195, 44%, 53%). 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).
#51A1BB FAQs
What is the RGB value of #51A1BB?
RGB: 81, 161, 187. Copy as CSS:
rgb(81, 161, 187)
Is #51A1BB a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #51A1BB?
Complement: #bc6d52.
Does #51A1BB have good contrast on white or black?
On white: 2.93:1 (Fails AA).
On black: 7.17:1 (AAA (normal text)).