#B51A00

Color Details

HEX
#B51A00
RGB
rgb(181, 26, 0)
HSL
hsl(9, 100%, 35%)
CMYK
cmyk(0%, 86%, 100%, 29%)
Best text on this color #FFFFFF (CR 6.75:1) Determined by WCAG contrast ratio

Readability Previews

Black on #b51a00
Contrast 3.11:1 Fail
White on #b51a00
Contrast 6.75:1 AA
#b51a00 on Black
Contrast 3.11:1 Fail
#b51a00 on White
Contrast 6.75:1 AA

Tints & Shades

#c44833
#d37666
#e1a399
#911500
#6d1000
#480a00

Complement & Analogous

#0098b3
#b37400
#b3003e

Triadic

#00b31b
#1b00b3

Monochrome

#480a00 #6d1000 #b51a00 #d37666 #e1a399 #f0d1cc

Analogous

#b3003e #ca4d78 #b51a00 #c29033 #b37400 #8f5d00

Complementary Mix

#6d1000 #b51a00 #d37666 #0098b3 #59bcce #006374

Nearby Colors

#b519ff
#b51a01
#b519f0
#b51a10

Embed #B51A00 swatch

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About #B51A00

#B51A00 converts to RGB(181, 26, 0) and HSL(9, 100%, 35%). 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).

#B51A00 FAQs

What is the RGB value of #B51A00?
RGB: 181, 26, 0. Copy as CSS: rgb(181, 26, 0)
Is #B51A00 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #B51A00?
Complement: #0098b3.
Does #B51A00 have good contrast on white or black?
On white: 6.75:1 (AA (normal text)). On black: 3.11:1 (AA (large text)).