#B51C16
Color Details
HEX
#B51C16
RGB
rgb(181, 28, 22)
HSL
hsl(2, 78%, 40%)
CMYK
cmyk(0%, 85%, 88%, 29%)
Best text on this color
#FFFFFF (CR 6.68:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #B51C16
#B51C16 converts to RGB(181, 28, 22) and HSL(2, 78%, 40%). 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).
#B51C16 FAQs
What is the RGB value of #B51C16?
RGB: 181, 28, 22. Copy as CSS:
rgb(181, 28, 22)
Is #B51C16 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51C16?
Complement: #16b0b6.
Does #B51C16 have good contrast on white or black?
On white: 6.68:1 (AA (normal text)).
On black: 3.14:1 (AA (large text)).