#B51C2B

Color Details

HEX
#B51C2B
RGB
rgb(181, 28, 43)
HSL
hsl(354, 73%, 41%)
CMYK
cmyk(0%, 85%, 76%, 29%)
Best text on this color #FFFFFF (CR 6.63:1) Determined by WCAG contrast ratio

Readability Previews

Black on #b51c2b
Contrast 3.17:1 Fail
White on #b51c2b
Contrast 6.63:1 AA
#b51c2b on Black
Contrast 3.17:1 Fail
#b51c2b on White
Contrast 6.63:1 AA

Tints & Shades

#c44955
#d37780
#e1a4aa
#911622
#6d111a
#480b11

Complement & Analogous

#1cb5a6
#b5591c
#b51c78

Triadic

#2bb51c
#1c2bb5

Monochrome

#480b11 #6d111a #b51c2b #d37780 #e1a4aa #f0d2d5

Analogous

#b51c78 #cb60a1 #b51c2b #c47a49 #b5591c #914716

Complementary Mix

#6d111a #b51c2b #d37780 #1cb5a6 #6bcfc5 #12766c

Nearby Colors

#b51c2a
#b51c2c
#b51c1b
#b51c3b

Embed #B51C2B swatch

Embed this swatch

Use this HTML on your site (free with a link):

Open image

About #B51C2B

#B51C2B converts to RGB(181, 28, 43) and HSL(354, 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).

#B51C2B FAQs

What is the RGB value of #B51C2B?
RGB: 181, 28, 43. Copy as CSS: rgb(181, 28, 43)
Is #B51C2B a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51C2B?
Complement: #1cb5a6.
Does #B51C2B have good contrast on white or black?
On white: 6.63:1 (AA (normal text)). On black: 3.17:1 (AA (large text)).