#B53A29#B53A29
#B53A29 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.162 H 30.9°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).
Color values
| HEX | #B53A29 |
|---|---|
| RGB | rgb(181, 58, 41) |
| HSL | hsl(7, 63%, 44%) |
| HSV | hsv(7, 77%, 71%) |
| CMYK | cmyk(0%, 68%, 77.3%, 29%) |
| CIE-LAB | lab(42.78, 48.76, 37.73) |
| CIE-LCH | lch(42.78, 61.65, 37.73°) |
| OKLab | oklab(52.54% 0.139 0.0832) |
| OKLCH | oklch(52.54% 0.162 30.9) |
| XYZ | xyz(20.9717, 13.0131, 3.5049) |
| Luminance | 0.1301 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 4.35
Brick
#A03623
ΔE00 4.47
Brownish Red
#9E3623
ΔE00 4.85
Rusty Red
#AF2F0D
ΔE00 5.12
Scarlet
#BE0119
ΔE00 5.38
Dull Red
#BB3F3F
ΔE00 5.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53A29 #29A4B5
analogous
#B5295E #B53A29 #B58029
triadic
#B53A29 #29B53A #3A29B5
tetradic
#B53A29 #5EB529 #29A4B5 #8029B5
square
#B53A29 #5EB529 #29A4B5 #8029B5
split-complementary
#B53A29 #29B580 #295EB5
monochromatic
#511A12 #832A1E #B53A29 #D55746 #E08578
Accessibility & contrast
On white
5.83
#B53A29 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.60
#B53A29 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53A29
5.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53A29 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53A29 | 1.00 | 5.83 | 3.60 | 5.83 |
| #FFFFFF | 5.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D5426
Deuteranopia (green-blind)
#7C6F24
Tritanopia (blue-blind)
#C71337
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b53a29; /* rgb */ color: rgb(181, 58, 41); /* oklch */ color: oklch(52.5% 0.162 30.9);
Tailwind
colors: {
custom: {
50: '#d47764',
500: '#b53a29',
950: '#000000',
},
}SCSS
$custom: #b53a29; $custom-light: #d47764; $custom-dark: #000000;
JSON
{
"hex": "#b53a29",
"rgb": {
"r": 181,
"g": 58,
"b": 41
},
"hsl": {
"h": 7.286,
"s": 63.063,
"l": 43.529
},
"oklch": {
"l": 0.52539,
"c": 0.16199,
"h": 30.9
},
"luminance": 0.1301
}Semantic roles & 50–950 ramp
primary
#B53A29
secondary
#72BEC8
accent
#D2E642
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160905
muted
#847B7A