#BB4B33#BB4B33
#BB4B33 is a mid, vivid red. Relative luminance 0.158; OKLCH L 55.8% C 0.150 H 33.7°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).
Color values
| HEX | #BB4B33 |
|---|---|
| RGB | rgb(187, 75, 51) |
| HSL | hsl(11, 57%, 47%) |
| HSV | hsv(11, 73%, 73%) |
| CMYK | cmyk(0%, 59.9%, 72.7%, 26.7%) |
| CIE-LAB | lab(46.76, 43.78, 36.85) |
| CIE-LCH | lch(46.76, 57.22, 40.09°) |
| OKLab | oklab(55.77% 0.1248 0.0833) |
| OKLCH | oklch(55.77% 0.15 33.7) |
| XYZ | xyz(23.6096, 15.8392, 4.9454) |
| Luminance | 0.1584 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 6.10
Rust
#B7410E
ΔE00 6.65
Dull Red
#BB3F3F
ΔE00 6.84
Rusty Red
#AF2F0D
ΔE00 7.47
Sienna
#A0522D
ΔE00 7.54
Brick
#A03623
ΔE00 7.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB4B33 #33A3BB
analogous
#BB335F #BB4B33 #BB8F33
triadic
#BB4B33 #33BB4B #4B33BB
tetradic
#BB4B33 #5FBB33 #33A3BB #8F33BB
square
#BB4B33 #5FBB33 #33A3BB #8F33BB
split-complementary
#BB4B33 #33BB8F #335FBB
monochromatic
#5B2419 #8B3826 #BB4B33 #D26F59 #DF9989
Accessibility & contrast
On white
5.04
#BB4B33 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.17
#BB4B33 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #BB4B33
5.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB4B33 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB4B33 | 1.00 | 5.04 | 4.17 | 5.04 |
| #FFFFFF | 5.04 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.04 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A5F30
Deuteranopia (green-blind)
#857830
Tritanopia (blue-blind)
#CD3246
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #bb4b33; /* rgb */ color: rgb(187, 75, 51); /* oklch */ color: oklch(55.8% 0.150 33.7);
Tailwind
colors: {
custom: {
50: '#d7816c',
500: '#bb4b33',
950: '#000000',
},
}SCSS
$custom: #bb4b33; $custom-light: #d7816c; $custom-dark: #000000;
JSON
{
"hex": "#bb4b33",
"rgb": {
"r": 187,
"g": 75,
"b": 51
},
"hsl": {
"h": 10.588,
"s": 57.143,
"l": 46.667
},
"oklch": {
"l": 0.55768,
"c": 0.15006,
"h": 33.7
},
"luminance": 0.15836
}Semantic roles & 50–950 ramp
primary
#BB4B33
secondary
#81BCC9
accent
#C5E047
background
#FEF8F6
surface
#FCEFEB
border
#D5CAC6
text
#160B07
muted
#847C7A