#B51F2C
Color Details
HEX
#B51F2C
RGB
rgb(181, 31, 44)
HSL
hsl(355, 71%, 42%)
CMYK
cmyk(0%, 83%, 76%, 29%)
Best text on this color
#FFFFFF (CR 6.57:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #B51F2C
#B51F2C converts to RGB(181, 31, 44) and HSL(355, 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).
#B51F2C FAQs
What is the RGB value of #B51F2C?
RGB: 181, 31, 44. Copy as CSS:
rgb(181, 31, 44)
Is #B51F2C a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51F2C?
Complement: #1fb7aa.
Does #B51F2C have good contrast on white or black?
On white: 6.57:1 (AA (normal text)).
On black: 3.20:1 (AA (large text)).