Color conversion
Color conversion for #B51B21
Complete numeric profile for comparing screens, paints, palettes and digital materials.
Color spaces
| RGB | 181 | 27 | 33 | |
|---|---|---|---|---|
| HSL | 357.66° | 74.04% | 40.78% | |
| HSV | 357.66° | 85.08% | 70.98% | |
| CMYK | 0% | 85.08% | 81.77% | 29.02% |
| XYZ | 19.725 | 10.7207 | 2.4693 | |
| Yxy | 10.7207 | 0.5993 | 0.3257 | |
| Hunter Lab | 32.7425 | 50.2333 | 18.4501 | |
| CIE-Lab | 39.106 | 58.4998 | 38.3993 | |
| CIE-LCH | 39.106 | 69.9767 | 33.2809 | |
| CIE-LUV | 39.106 | 112.8434 | 22.899 |
Base numbers
| Base | Red | Green | Blue |
|---|---|---|---|
| Binary | 10110101 | 00011011 | 00100001 |
| Octal | 265 | 33 | 41 |
| Decimal | 181 | 27 | 33 |
| Hex | B5 | 1B | 21 |
RGB percentages
CMYK percentages
Shades #B51B21
Tints #B51B21
Harmony
Color schemes
Complementary
Analogous
Triadic
Split complementary
Tetradic
Rectangle
Monochromatic
#B51B21 color on black
#B51B21 color sample text
#B51B21 color on white
#B51B21 color sample text
#B51B21 CSS codes
.background { background-color: #B51B21; }
.text { color: #B51B21; }
.border { border: 3px solid #B51B21; }
.shadow { box-shadow: 0 8px 28px rgba(181, 27, 33, 0.35); }
CSS preview
Accessibility
Contrast on white6.68:1AA
Contrast on black3.14:1Large text
Web safe#CC3333Near
Luminance0.10720-1
Global naming
Color names in other languages
Use these names to compare international references, paint catalogs and design materials.
English#B51B21 color
PortuguêsCor #B51B21
EspañolColor #B51B21
한국어#B51B21 색상
日本語#B51B21 の色
中文#B51B21 颜色
DeutschFarbe #B51B21
FrançaisCouleur #B51B21
Pairings
Nearby palette
Useful combinations for testing contrast, emphasis and visual harmony with #B51B21 color.
Related shades
See Reds