#B51D2A

Color Details

HEX
#B51D2A
RGB
rgb(181, 29, 42)
HSL
hsl(355, 72%, 41%)
CMYK
cmyk(0%, 84%, 77%, 29%)
Best text on this color #FFFFFF (CR 6.62:1) Determined by WCAG contrast ratio

Readability Previews

Black on #b51d2a
Contrast 3.17:1 Fail
White on #b51d2a
Contrast 6.62:1 AA
#b51d2a on Black
Contrast 3.17:1 Fail
#b51d2a on White
Contrast 6.62:1 AA

Tints & Shades

#c44a55
#d3777f
#e1a5aa
#911722
#6d1119
#480c11

Complement & Analogous

#1db4a7
#b45c1d
#b41d75

Triadic

#2ab41d
#1d2ab4

Monochrome

#480c11 #6d1119 #b51d2a #d3777f #e1a5aa #f0d2d4

Analogous

#b41d75 #cb619e #b51d2a #c37d4a #b45c1d #904a17

Complementary Mix

#6d1119 #b51d2a #d3777f #1db4a7 #6ccec6 #13756d

Nearby Colors

#b51d29
#b51d2b
#b51d1a
#b51d3a

Embed #B51D2A swatch

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About #B51D2A

#B51D2A converts to RGB(181, 29, 42) and HSL(355, 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).

#B51D2A FAQs

What is the RGB value of #B51D2A?
RGB: 181, 29, 42. Copy as CSS: rgb(181, 29, 42)
Is #B51D2A a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51D2A?
Complement: #1db4a7.
Does #B51D2A have good contrast on white or black?
On white: 6.62:1 (AA (normal text)). On black: 3.17:1 (AA (large text)).