#BB3F2B#BB3F2B
#BB3F2B is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.2% C 0.163 H 31.7°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).
Color values
| HEX | #BB3F2B |
|---|---|
| RGB | rgb(187, 63, 43) |
| HSL | hsl(8, 63%, 45%) |
| HSV | hsv(8, 77%, 73%) |
| CMYK | cmyk(0%, 66.3%, 77%, 26.7%) |
| CIE-LAB | lab(44.66, 48.81, 38.94) |
| CIE-LCH | lch(44.66, 62.44, 38.58°) |
| OKLab | oklab(54.15% 0.1389 0.0859) |
| OKLCH | oklch(54.15% 0.163 31.7) |
| XYZ | xyz(22.7096, 14.2976, 3.8489) |
| Luminance | 0.1429 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 5.75
Rusty Red
#AF2F0D
ΔE00 5.78
Firebrick
#B22222
ΔE00 5.99
Dull Red
#BB3F3F
ΔE00 6.01
Brick
#A03623
ΔE00 6.07
Brownish Red
#9E3623
ΔE00 6.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB3F2B #2BA7BB
analogous
#BB2B5F #BB3F2B #BB872B
triadic
#BB3F2B #2BBB3F #3F2BBB
tetradic
#BB3F2B #5FBB2B #2BA7BB #872BBB
square
#BB3F2B #5FBB2B #2BA7BB #872BBB
split-complementary
#BB3F2B #2BBB87 #2B5FBB
monochromatic
#571D14 #892E20 #BB3F2B #D6604D #E28D7F
Accessibility & contrast
On white
5.44
#BB3F2B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.86
#BB3F2B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #BB3F2B
5.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB3F2B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB3F2B | 1.00 | 5.44 | 3.86 | 5.44 |
| #FFFFFF | 5.44 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.86 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.44 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#625828
Deuteranopia (green-blind)
#817426
Tritanopia (blue-blind)
#CE1B3B
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #bb3f2b; /* rgb */ color: rgb(187, 63, 43); /* oklch */ color: oklch(54.2% 0.163 31.7);
Tailwind
colors: {
custom: {
50: '#d87a66',
500: '#bb3f2b',
950: '#000000',
},
}SCSS
$custom: #bb3f2b; $custom-light: #d87a66; $custom-dark: #000000;
JSON
{
"hex": "#bb3f2b",
"rgb": {
"r": 187,
"g": 63,
"b": 43
},
"hsl": {
"h": 8.333,
"s": 62.609,
"l": 45.098
},
"oklch": {
"l": 0.54153,
"c": 0.16333,
"h": 31.7
},
"luminance": 0.14294
}Semantic roles & 50–950 ramp
primary
#BB3F2B
secondary
#78BFCA
accent
#CFE642
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A