#BB4337#BB4337
#BB4337 is a mid, vivid red. Relative luminance 0.149; OKLCH L 54.8% C 0.157 H 28.9°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).
Color values
| HEX | #BB4337 |
|---|---|
| RGB | rgb(187, 67, 55) |
| HSL | hsl(5, 55%, 47%) |
| HSV | hsv(5, 71%, 73%) |
| CMYK | cmyk(0%, 64.2%, 70.6%, 26.7%) |
| CIE-LAB | lab(45.44, 47.62, 33.09) |
| CIE-LCH | lch(45.44, 57.99, 34.79°) |
| OKLab | oklab(54.79% 0.1376 0.0759) |
| OKLCH | oklch(54.79% 0.157 28.9) |
| XYZ | xyz(23.1927, 14.8582, 5.2603) |
| Luminance | 0.1485 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 3.18
Dull Red
#BB3F3F
ΔE00 3.42
Firebrick
#B22222
ΔE00 6.28
Dusty Red
#B9484E
ΔE00 6.58
Dark Coral
#CF524E
ΔE00 6.90
Brick
#A03623
ΔE00 7.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB4337 #37AFBB
analogous
#BB376D #BB4337 #BB8537
triadic
#BB4337 #37BB43 #4337BB
tetradic
#BB4337 #6DBB37 #37AFBB #8537BB
square
#BB4337 #6DBB37 #37AFBB #8537BB
split-complementary
#BB4337 #37BB85 #376DBB
monochromatic
#5C211B #8C3229 #BB4337 #D0695F #DE968E
Accessibility & contrast
On white
5.29
#BB4337 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.97
#BB4337 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #BB4337
5.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB4337 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB4337 | 1.00 | 5.29 | 3.97 | 5.29 |
| #FFFFFF | 5.29 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.29 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#645B35
Deuteranopia (green-blind)
#827533
Tritanopia (blue-blind)
#CD2541
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #bb4337; /* rgb */ color: rgb(187, 67, 55); /* oklch */ color: oklch(54.8% 0.157 28.9);
Tailwind
colors: {
custom: {
50: '#d77d6e',
500: '#bb4337',
950: '#000000',
},
}SCSS
$custom: #bb4337; $custom-light: #d77d6e; $custom-dark: #000000;
JSON
{
"hex": "#bb4337",
"rgb": {
"r": 187,
"g": 67,
"b": 55
},
"hsl": {
"h": 5.455,
"s": 54.545,
"l": 47.451
},
"oklch": {
"l": 0.54786,
"c": 0.15713,
"h": 28.9
},
"luminance": 0.14855
}Semantic roles & 50–950 ramp
primary
#BB4337
secondary
#85C2C9
accent
#D0DE4A
background
#FEF7F6
surface
#FCEEEC
border
#D5C9C7
text
#160A07
muted
#847C7A