#B53732#B53732
#B53732 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.163 H 26.7°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).
Color values
| HEX | #B53732 |
|---|---|
| RGB | rgb(181, 55, 50) |
| HSL | hsl(2, 57%, 45%) |
| HSV | hsv(2, 72%, 71%) |
| CMYK | cmyk(0%, 69.6%, 72.4%, 29%) |
| CIE-LAB | lab(42.44, 50.36, 32.24) |
| CIE-LCH | lch(42.44, 59.79, 32.63°) |
| OKLab | oklab(52.32% 0.1459 0.0734) |
| OKLCH | oklch(52.32% 0.163 26.7) |
| XYZ | xyz(21.0003, 12.7895, 4.3798) |
| Luminance | 0.1279 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.19
Firebrick
#B22222
ΔE00 3.65
Brown
#A52A2A
ΔE00 4.39
Reddish
#C44240
ΔE00 4.52
Scarlet
#BE0119
ΔE00 5.19
Lipstick Red
#C0022F
ΔE00 5.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53732 #32B0B5
analogous
#B5326E #B53732 #B57832
triadic
#B53732 #32B537 #3732B5
tetradic
#B53732 #6EB532 #32B0B5 #7832B5
square
#B53732 #6EB532 #32B0B5 #7832B5
split-complementary
#B53732 #32B578 #326EB5
monochromatic
#551A18 #852825 #B53732 #D05954 #DD8884
Accessibility & contrast
On white
5.90
#B53732 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.56
#B53732 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53732
5.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53732 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53732 | 1.00 | 5.90 | 3.56 | 5.90 |
| #FFFFFF | 5.90 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.90 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B5330
Deuteranopia (green-blind)
#7A6E2E
Tritanopia (blue-blind)
#C70D37
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #b53732; /* rgb */ color: rgb(181, 55, 50); /* oklch */ color: oklch(52.3% 0.163 26.7);
Tailwind
colors: {
custom: {
50: '#d3766a',
500: '#b53732',
950: '#000000',
},
}SCSS
$custom: #b53732; $custom-light: #d3766a; $custom-dark: #000000;
JSON
{
"hex": "#b53732",
"rgb": {
"r": 181,
"g": 55,
"b": 50
},
"hsl": {
"h": 2.29,
"s": 56.71,
"l": 45.294
},
"oklch": {
"l": 0.52319,
"c": 0.16329,
"h": 26.7
},
"luminance": 0.12786
}Semantic roles & 50–950 ramp
primary
#B53732
secondary
#7CC4C7
accent
#DAE048
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A