#B51D31
Color Details
HEX
#B51D31
RGB
rgb(181, 29, 49)
HSL
hsl(352, 72%, 41%)
CMYK
cmyk(0%, 84%, 73%, 29%)
Best text on this color
#FFFFFF (CR 6.59:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #B51D31
#B51D31 converts to RGB(181, 29, 49) and HSL(352, 72%, 41%). 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).
#B51D31 FAQs
What is the RGB value of #B51D31?
RGB: 181, 29, 49. Copy as CSS:
rgb(181, 29, 49)
Is #B51D31 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51D31?
Complement: #1db4a0.
Does #B51D31 have good contrast on white or black?
On white: 6.59:1 (AA (normal text)).
On black: 3.18:1 (AA (large text)).