#B51E0D
Color Details
HEX
#B51E0D
RGB
rgb(181, 30, 13)
HSL
hsl(6, 87%, 38%)
CMYK
cmyk(0%, 83%, 93%, 29%)
Best text on this color
#FFFFFF (CR 6.65:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #B51E0D
#B51E0D converts to RGB(181, 30, 13) and HSL(6, 87%, 38%). 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).
#B51E0D FAQs
What is the RGB value of #B51E0D?
RGB: 181, 30, 13. Copy as CSS:
rgb(181, 30, 13)
Is #B51E0D a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51E0D?
Complement: #0da4b5.
Does #B51E0D have good contrast on white or black?
On white: 6.65:1 (AA (normal text)).
On black: 3.16:1 (AA (large text)).