#B51F1D

Color Details

HEX
#B51F1D
RGB
rgb(181, 31, 29)
HSL
hsl(1, 72%, 41%)
CMYK
cmyk(0%, 83%, 84%, 29%)
Best text on this color #FFFFFF (CR 6.61:1) Determined by WCAG contrast ratio

Readability Previews

Black on #b51f1d
Contrast 3.18:1 Fail
White on #b51f1d
Contrast 6.61:1 AA
#b51f1d on Black
Contrast 3.18:1 Fail
#b51f1d on White
Contrast 6.61:1 AA

Tints & Shades

#c44c4a
#d37977
#e1a5a5
#911917
#6d1311
#480c0c

Complement & Analogous

#1db1b4
#b46b1d
#b41d66

Triadic

#1db420
#201db4

Monochrome

#480c0c #6d1311 #b51f1d #d37977 #e1a5a5 #f0d2d2

Analogous

#b41d66 #cb6194 #b51f1d #c3894a #b46b1d #905617

Complementary Mix

#6d1311 #b51f1d #d37977 #1db1b4 #6cccce #137375

Nearby Colors

#b51f1c
#b51f1e
#b51f0d
#b51f2d

Embed #B51F1D swatch

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About #B51F1D

#B51F1D converts to RGB(181, 31, 29) and HSL(1, 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).

#B51F1D FAQs

What is the RGB value of #B51F1D?
RGB: 181, 31, 29. Copy as CSS: rgb(181, 31, 29)
Is #B51F1D a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51F1D?
Complement: #1db1b4.
Does #B51F1D have good contrast on white or black?
On white: 6.61:1 (AA (normal text)). On black: 3.18:1 (AA (large text)).