#BB313F#BB313F
#BB313F is a mid, vivid red. Relative luminance 0.131; OKLCH L 53.0% C 0.174 H 20.2°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #BB313F |
|---|---|
| RGB | rgb(187, 49, 63) |
| HSL | hsl(354, 58%, 46%) |
| HSV | hsv(354, 74%, 73%) |
| CMYK | cmyk(0%, 73.8%, 66.3%, 26.7%) |
| CIE-LAB | lab(42.95, 55.17, 25.32) |
| CIE-LCH | lch(42.95, 60.70, 24.65°) |
| OKLab | oklab(52.96% 0.1631 0.0599) |
| OKLCH | oklch(52.96% 0.174 20.2) |
| XYZ | xyz(22.4915, 13.1237, 6.0505) |
| Luminance | 0.1312 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cardinal
#C41E3A
ΔE00 2.14
Dull Red
#BB3F3F
ΔE00 3.38
Lipstick Red
#C0022F
ΔE00 3.97
Cherry (survey)
#CF0234
ΔE00 4.11
Dusty Red
#B9484E
ΔE00 4.33
Rose Red
#BE013C
ΔE00 4.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB313F #31BBAD
analogous
#BB3184 #BB313F #BB6831
triadic
#BB313F #3FBB31 #313FBB
tetradic
#BB313F #84BB31 #31BBAD #6831BB
square
#BB313F #84BB31 #31BBAD #6831BB
split-complementary
#BB313F #31BB68 #3184BB
monochromatic
#5A181E #8B242F #BB313F #D35663 #E08790
Accessibility & contrast
On white
5.79
#BB313F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.62
#BB313F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #BB313F
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB313F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB313F | 1.00 | 5.79 | 3.62 | 5.79 |
| #FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#58533E
Deuteranopia (green-blind)
#7B703B
Tritanopia (blue-blind)
#CD0037
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #bb313f; /* rgb */ color: rgb(187, 49, 63); /* oklch */ color: oklch(53.0% 0.174 20.2);
Tailwind
colors: {
custom: {
50: '#d77474',
500: '#bb313f',
950: '#000000',
},
}SCSS
$custom: #bb313f; $custom-light: #d77474; $custom-dark: #000000;
JSON
{
"hex": "#bb313f",
"rgb": {
"r": 187,
"g": 49,
"b": 63
},
"hsl": {
"h": 353.913,
"s": 58.475,
"l": 46.275
},
"oklch": {
"l": 0.52963,
"c": 0.17379,
"h": 20.2
},
"luminance": 0.1312
}Semantic roles & 50–950 ramp
primary
#BB313F
secondary
#7FC9C2
accent
#E2D246
background
#FEF7F7
surface
#FCEDED
border
#D5C8C8
text
#160908
muted
#847B7B