#B51E1D

Color Details

HEX
#B51E1D
RGB
rgb(181, 30, 29)
HSL
hsl(0, 72%, 41%)
CMYK
cmyk(0%, 83%, 84%, 29%)
Best text on this color #FFFFFF (CR 6.63:1) Determined by WCAG contrast ratio

Readability Previews

Black on #b51e1d
Contrast 3.17:1 Fail
White on #b51e1d
Contrast 6.63:1 AA
#b51e1d on Black
Contrast 3.17:1 Fail
#b51e1d on White
Contrast 6.63:1 AA

Tints & Shades

#c44b4a
#d37877
#e1a5a5
#911817
#6d1211
#480c0c

Complement & Analogous

#1db4b4
#b4691d
#b41d69

Triadic

#1db41d
#1d1db4

Monochrome

#480c0c #6d1211 #b51e1d #d37877 #e1a5a5 #f0d2d2

Analogous

#b41d69 #cb6196 #b51e1d #c3874a #b4691d #905417

Complementary Mix

#6d1211 #b51e1d #d37877 #1db4b4 #6ccece #137575

Nearby Colors

#b51e1c
#b51e1e
#b51e0d
#b51e2d

Embed #B51E1D swatch

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About #B51E1D

#B51E1D converts to RGB(181, 30, 29) and HSL(0, 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).

#B51E1D FAQs

What is the RGB value of #B51E1D?
RGB: 181, 30, 29. Copy as CSS: rgb(181, 30, 29)
Is #B51E1D a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51E1D?
Complement: #1db4b4.
Does #B51E1D have good contrast on white or black?
On white: 6.63:1 (AA (normal text)). On black: 3.17:1 (AA (large text)).