#B51F2D
Color Details
HEX
#B51F2D
RGB
rgb(181, 31, 45)
HSL
hsl(354, 71%, 42%)
CMYK
cmyk(0%, 83%, 75%, 29%)
Best text on this color
#FFFFFF (CR 6.57:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #B51F2D
#B51F2D converts to RGB(181, 31, 45) and HSL(354, 71%, 42%). 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).
#B51F2D FAQs
What is the RGB value of #B51F2D?
RGB: 181, 31, 45. Copy as CSS:
rgb(181, 31, 45)
Is #B51F2D a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51F2D?
Complement: #1fb7a8.
Does #B51F2D have good contrast on white or black?
On white: 6.57:1 (AA (normal text)).
On black: 3.20:1 (AA (large text)).