#B73C44#B73C44
#B73C44 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.158 H 20.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).
Color values
| HEX | #B73C44 |
|---|---|
| RGB | rgb(183, 60, 68) |
| HSL | hsl(356, 51%, 48%) |
| HSV | hsv(356, 67%, 72%) |
| CMYK | cmyk(0%, 67.2%, 62.8%, 28.2%) |
| CIE-LAB | lab(43.83, 50.00, 23.23) |
| CIE-LCH | lch(43.83, 55.13, 24.92°) |
| OKLab | oklab(53.51% 0.1482 0.0558) |
| OKLCH | oklch(53.51% 0.158 20.7) |
| XYZ | xyz(22.1899, 13.7194, 6.9474) |
| Luminance | 0.1372 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.68
Dusty Red
#B9484E
ΔE00 2.78
Cardinal
#C41E3A
ΔE00 3.82
Reddish
#C44240
ΔE00 4.49
Cherry (survey)
#CF0234
ΔE00 5.55
Lipstick Red
#C0022F
ΔE00 5.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B73C44 #3CB7AF
analogous
#B73C81 #B73C44 #B7723C
triadic
#B73C44 #44B73C #3C44B7
tetradic
#B73C44 #81B73C #3CB7AF #723CB7
square
#B73C44 #81B73C #3CB7AF #723CB7
split-complementary
#B73C44 #3CB772 #3C81B7
monochromatic
#5B1E22 #892D33 #B73C44 #CC646B #DB9297
Accessibility & contrast
On white
5.61
#B73C44 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.74
#B73C44 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B73C44
5.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B73C44 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B73C44 | 1.00 | 5.61 | 3.74 | 5.61 |
| #FFFFFF | 5.61 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.61 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C5743
Deuteranopia (green-blind)
#7B7141
Tritanopia (blue-blind)
#C81F40
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #b73c44; /* rgb */ color: rgb(183, 60, 68); /* oklch */ color: oklch(53.5% 0.158 20.7);
Tailwind
colors: {
custom: {
50: '#d37977',
500: '#b73c44',
950: '#000000',
},
}SCSS
$custom: #b73c44; $custom-light: #d37977; $custom-dark: #000000;
JSON
{
"hex": "#b73c44",
"rgb": {
"r": 183,
"g": 60,
"b": 68
},
"hsl": {
"h": 356.098,
"s": 50.617,
"l": 47.647
},
"oklch": {
"l": 0.53511,
"c": 0.15832,
"h": 20.7
},
"luminance": 0.13716
}Semantic roles & 50–950 ramp
primary
#B73C44
secondary
#88C6C2
accent
#DAD14E
background
#FDF7F7
surface
#FBEEED
border
#D4C9C8
text
#150908
muted
#837B7B