#B83237#B83237
#B83237 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.4% C 0.170 H 23.4°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).
Color values
| HEX | #B83237 |
|---|---|
| RGB | rgb(184, 50, 55) |
| HSL | hsl(358, 57%, 46%) |
| HSV | hsv(358, 73%, 72%) |
| CMYK | cmyk(0%, 72.8%, 70.1%, 27.8%) |
| CIE-LAB | lab(42.38, 53.46, 29.34) |
| CIE-LCH | lch(42.38, 60.99, 28.76°) |
| OKLab | oklab(52.4% 0.1564 0.0678) |
| OKLCH | oklch(52.4% 0.17 23.4) |
| XYZ | xyz(21.5997, 12.7506, 4.9375) |
| Luminance | 0.1275 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.60
Cardinal
#C41E3A
ΔE00 3.42
Lipstick Red
#C0022F
ΔE00 3.84
Reddish
#C44240
ΔE00 4.44
Cherry (survey)
#CF0234
ΔE00 4.44
Brown
#A52A2A
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B83237 #32B8B3
analogous
#B8327A #B83237 #B87032
triadic
#B83237 #37B832 #3237B8
tetradic
#B83237 #7AB832 #32B8B3 #7032B8
square
#B83237 #7AB832 #32B8B3 #7032B8
split-complementary
#B83237 #32B870 #327AB8
monochromatic
#58181A #882529 #B83237 #D1565B #DE868A
Accessibility & contrast
On white
5.92
#B83237 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.55
#B83237 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B83237
5.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B83237 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B83237 | 1.00 | 5.92 | 3.55 | 5.92 |
| #FFFFFF | 5.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#595236
Deuteranopia (green-blind)
#7A6F33
Tritanopia (blue-blind)
#CA0035
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #b83237; /* rgb */ color: rgb(184, 50, 55); /* oklch */ color: oklch(52.4% 0.170 23.4);
Tailwind
colors: {
custom: {
50: '#d5746e',
500: '#b83237',
950: '#000000',
},
}SCSS
$custom: #b83237; $custom-light: #d5746e; $custom-dark: #000000;
JSON
{
"hex": "#b83237",
"rgb": {
"r": 184,
"g": 50,
"b": 55
},
"hsl": {
"h": 357.761,
"s": 57.265,
"l": 45.882
},
"oklch": {
"l": 0.524,
"c": 0.17045,
"h": 23.4
},
"luminance": 0.12747
}Semantic roles & 50–950 ramp
primary
#B83237
secondary
#7EC8C5
accent
#E1DB47
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160907
muted
#847B7A