#B53D22#B53D22
#B53D22 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.161 H 34.1°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #B53D22 |
|---|---|
| RGB | rgb(181, 61, 34) |
| HSL | hsl(11, 68%, 42%) |
| HSV | hsv(11, 81%, 71%) |
| CMYK | cmyk(0%, 66.3%, 81.2%, 29%) |
| CIE-LAB | lab(43.18, 47.25, 41.84) |
| CIE-LCH | lch(43.18, 63.11, 41.52°) |
| OKLab | oklab(52.82% 0.133 0.09) |
| OKLCH | oklch(52.82% 0.161 34.1) |
| XYZ | xyz(21.0159, 13.2798, 2.9697) |
| Luminance | 0.1328 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.65
Rust
#B7410E
ΔE00 4.84
Brick
#A03623
ΔE00 5.05
Rust Red
#AA2704
ΔE00 5.35
Brownish Red
#9E3623
ΔE00 5.41
Rust (survey)
#A83C09
ΔE00 5.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53D22 #229AB5
analogous
#B52251 #B53D22 #B58622
triadic
#B53D22 #22B53D #3D22B5
tetradic
#B53D22 #51B522 #229AB5 #8622B5
square
#B53D22 #51B522 #229AB5 #8622B5
split-complementary
#B53D22 #22B586 #2251B5
monochromatic
#4E1A0F #812C18 #B53D22 #DA583A #E4836E
Accessibility & contrast
On white
5.74
#B53D22 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.66
#B53D22 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53D22
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53D22 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53D22 | 1.00 | 5.74 | 3.66 | 5.74 |
| #FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#60551E
Deuteranopia (green-blind)
#7D701D
Tritanopia (blue-blind)
#C71938
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b53d22; /* rgb */ color: rgb(181, 61, 34); /* oklch */ color: oklch(52.8% 0.161 34.1);
Tailwind
colors: {
custom: {
50: '#d4795f',
500: '#b53d22',
950: '#000000',
},
}SCSS
$custom: #b53d22; $custom-light: #d4795f; $custom-dark: #000000;
JSON
{
"hex": "#b53d22",
"rgb": {
"r": 181,
"g": 61,
"b": 34
},
"hsl": {
"h": 11.02,
"s": 68.372,
"l": 42.157
},
"oklch": {
"l": 0.52817,
"c": 0.16058,
"h": 34.1
},
"luminance": 0.13277
}Semantic roles & 50–950 ramp
primary
#B53D22
secondary
#69B8CA
accent
#CBEB3D
background
#FEF7F5
surface
#FCEEE9
border
#D5C9C5
text
#160905
muted
#847B79