#B51F1C

Color Details

HEX
#B51F1C
RGB
rgb(181, 31, 28)
HSL
hsl(1, 73%, 41%)
CMYK
cmyk(0%, 83%, 85%, 29%)
Best text on this color #FFFFFF (CR 6.61:1) Determined by WCAG contrast ratio

Readability Previews

Black on #b51f1c
Contrast 3.18:1 Fail
White on #b51f1c
Contrast 6.61:1 AA
#b51f1c on Black
Contrast 3.18:1 Fail
#b51f1c on White
Contrast 6.61:1 AA

Tints & Shades

#c44c49
#d37977
#e1a5a4
#911916
#6d1311
#480c0b

Complement & Analogous

#1cb2b5
#b56b1c
#b51c66

Triadic

#1cb51f
#1f1cb5

Monochrome

#480c0b #6d1311 #b51f1c #d37977 #e1a5a4 #f0d2d2

Analogous

#b51c66 #cb6094 #b51f1c #c48949 #b56b1c #915616

Complementary Mix

#6d1311 #b51f1c #d37977 #1cb2b5 #6bcdcf #127476

Nearby Colors

#b51f1b
#b51f1d
#b51f0c
#b51f2c

Embed #B51F1C swatch

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About #B51F1C

#B51F1C converts to RGB(181, 31, 28) and HSL(1, 73%, 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).

#B51F1C FAQs

What is the RGB value of #B51F1C?
RGB: 181, 31, 28. Copy as CSS: rgb(181, 31, 28)
Is #B51F1C a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51F1C?
Complement: #1cb2b5.
Does #B51F1C have good contrast on white or black?
On white: 6.61:1 (AA (normal text)). On black: 3.18:1 (AA (large text)).