#B51D27
Color Details
HEX
#B51D27
RGB
rgb(181, 29, 39)
HSL
hsl(356, 72%, 41%)
CMYK
cmyk(0%, 84%, 78%, 29%)
Best text on this color
#FFFFFF (CR 6.63:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #B51D27
#B51D27 converts to RGB(181, 29, 39) and HSL(356, 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).
#B51D27 FAQs
What is the RGB value of #B51D27?
RGB: 181, 29, 39. Copy as CSS:
rgb(181, 29, 39)
Is #B51D27 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51D27?
Complement: #1db4aa.
Does #B51D27 have good contrast on white or black?
On white: 6.63:1 (AA (normal text)).
On black: 3.17:1 (AA (large text)).