#B53922#B53922
#B53922 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.164 H 32.7°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).
Color values
| HEX | #B53922 |
|---|---|
| RGB | rgb(181, 57, 34) |
| HSL | hsl(9, 68%, 42%) |
| HSV | hsv(9, 81%, 71%) |
| CMYK | cmyk(0%, 68.5%, 81.2%, 29%) |
| CIE-LAB | lab(42.56, 48.92, 41.24) |
| CIE-LCH | lch(42.56, 63.99, 40.13°) |
| OKLab | oklab(52.35% 0.1382 0.0887) |
| OKLCH | oklch(52.35% 0.164 32.7) |
| XYZ | xyz(20.8103, 12.8686, 2.9012) |
| Luminance | 0.1287 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.64
Brick
#A03623
ΔE00 4.49
Brownish Red
#9E3623
ΔE00 4.88
Rust Red
#AA2704
ΔE00 5.16
Firebrick
#B22222
ΔE00 5.20
Rust
#B7410E
ΔE00 5.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53922 #229EB5
analogous
#B52254 #B53922 #B58322
triadic
#B53922 #22B539 #3922B5
tetradic
#B53922 #54B522 #229EB5 #8322B5
square
#B53922 #54B522 #229EB5 #8322B5
split-complementary
#B53922 #22B583 #2254B5
monochromatic
#4E190F #812918 #B53922 #DA533A #E4806E
Accessibility & contrast
On white
5.88
#B53922 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.57
#B53922 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53922
5.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53922 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53922 | 1.00 | 5.88 | 3.57 | 5.88 |
| #FFFFFF | 5.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D531E
Deuteranopia (green-blind)
#7C6F1C
Tritanopia (blue-blind)
#C70E35
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #b53922; /* rgb */ color: rgb(181, 57, 34); /* oklch */ color: oklch(52.4% 0.164 32.7);
Tailwind
colors: {
custom: {
50: '#d4765f',
500: '#b53922',
950: '#000000',
},
}SCSS
$custom: #b53922; $custom-light: #d4765f; $custom-dark: #000000;
JSON
{
"hex": "#b53922",
"rgb": {
"r": 181,
"g": 57,
"b": 34
},
"hsl": {
"h": 9.388,
"s": 68.372,
"l": 42.157
},
"oklch": {
"l": 0.52354,
"c": 0.16418,
"h": 32.7
},
"luminance": 0.12866
}Semantic roles & 50–950 ramp
primary
#B53922
secondary
#69BBCA
accent
#D0EB3D
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160905
muted
#847B79