#B52F38#B52F38
#B52F38 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.170 H 22.1°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).
Color values
| HEX | #B52F38 |
|---|---|
| RGB | rgb(181, 47, 56) |
| HSL | hsl(356, 59%, 45%) |
| HSV | hsv(356, 74%, 71%) |
| CMYK | cmyk(0%, 74%, 69.1%, 29%) |
| CIE-LAB | lab(41.45, 53.64, 27.47) |
| CIE-LCH | lch(41.45, 60.27, 27.12°) |
| OKLab | oklab(51.6% 0.1576 0.064) |
| OKLCH | oklch(51.6% 0.17 22.1) |
| XYZ | xyz(20.7887, 12.1454, 4.9903) |
| Luminance | 0.1214 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cardinal
#C41E3A
ΔE00 3.04
Lipstick Red
#C0022F
ΔE00 3.36
Dull Red
#BB3F3F
ΔE00 3.53
Brown
#A52A2A
ΔE00 4.38
Cherry (survey)
#CF0234
ΔE00 4.60
Firebrick
#B22222
ΔE00 5.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B52F38 #2FB5AC
analogous
#B52F7B #B52F38 #B5692F
triadic
#B52F38 #38B52F #2F38B5
tetradic
#B52F38 #7BB52F #2FB5AC #692FB5
square
#B52F38 #7BB52F #2FB5AC #692FB5
split-complementary
#B52F38 #2FB569 #2F7BB5
monochromatic
#54161A #842229 #B52F38 #D15058 #DE8087
Accessibility & contrast
On white
6.13
#B52F38 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.43
#B52F38 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B52F38
6.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B52F38 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B52F38 | 1.00 | 6.13 | 3.43 | 6.13 |
| #FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#564F37
Deuteranopia (green-blind)
#776C34
Tritanopia (blue-blind)
#C70034
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #b52f38; /* rgb */ color: rgb(181, 47, 56); /* oklch */ color: oklch(51.6% 0.170 22.1);
Tailwind
colors: {
custom: {
50: '#d3726e',
500: '#b52f38',
950: '#000000',
},
}SCSS
$custom: #b52f38; $custom-light: #d3726e; $custom-dark: #000000;
JSON
{
"hex": "#b52f38",
"rgb": {
"r": 181,
"g": 47,
"b": 56
},
"hsl": {
"h": 355.97,
"s": 58.772,
"l": 44.706
},
"oklch": {
"l": 0.51602,
"c": 0.17004,
"h": 22.1
},
"luminance": 0.12142
}Semantic roles & 50–950 ramp
primary
#B52F38
secondary
#79C7C2
accent
#E2D746
background
#FEF7F6
surface
#FCEDEC
border
#D5C8C7
text
#160907
muted
#847B7A