#B51C37

Color Details

HEX
#B51C37
RGB
rgb(181, 28, 55)
HSL
hsl(349, 73%, 41%)
CMYK
cmyk(0%, 85%, 70%, 29%)
Best text on this color #FFFFFF (CR 6.59:1) Determined by WCAG contrast ratio

Readability Previews

Black on #b51c37
Contrast 3.19:1 Fail
White on #b51c37
Contrast 6.59:1 AA
#b51c37 on Black
Contrast 3.19:1 Fail
#b51c37 on White
Contrast 6.59:1 AA

Tints & Shades

#c4495f
#d37787
#e1a4af
#91162c
#6d1121
#480b16

Complement & Analogous

#1cb599
#b54d1c
#b51c85

Triadic

#38b51c
#1c38b5

Monochrome

#480b16 #6d1121 #b51c37 #d37787 #e1a4af #f0d2d7

Analogous

#b51c85 #cb60aa #b51c37 #c47149 #b54d1c #913e16

Complementary Mix

#6d1121 #b51c37 #d37787 #1cb599 #6bcfbd #127663

Nearby Colors

#b51c36
#b51c38
#b51c27
#b51c47

Embed #B51C37 swatch

Embed this swatch

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

Open image

About #B51C37

#B51C37 converts to RGB(181, 28, 55) and HSL(349, 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).

#B51C37 FAQs

What is the RGB value of #B51C37?
RGB: 181, 28, 55. Copy as CSS: rgb(181, 28, 55)
Is #B51C37 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51C37?
Complement: #1cb599.
Does #B51C37 have good contrast on white or black?
On white: 6.59:1 (AA (normal text)). On black: 3.19:1 (AA (large text)).