#B73D29#B73D29
#B73D29 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.2% C 0.161 H 31.9°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).
Color values
| HEX | #B73D29 |
|---|---|
| RGB | rgb(183, 61, 41) |
| HSL | hsl(8, 63%, 44%) |
| HSV | hsv(8, 78%, 72%) |
| CMYK | cmyk(0%, 66.7%, 77.6%, 28.2%) |
| CIE-LAB | lab(43.61, 48.20, 38.70) |
| CIE-LCH | lch(43.61, 61.81, 38.77°) |
| OKLab | oklab(53.23% 0.137 0.0852) |
| OKLCH | oklch(53.23% 0.161 31.9) |
| XYZ | xyz(21.5998, 13.5680, 3.5789) |
| Luminance | 0.1356 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 5.06
Brick
#A03623
ΔE00 5.09
Firebrick
#B22222
ΔE00 5.31
Brownish Red
#9E3623
ΔE00 5.47
Scarlet
#BE0119
ΔE00 6.11
Dull Red
#BB3F3F
ΔE00 6.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B73D29 #29A3B7
analogous
#B7295C #B73D29 #B78429
triadic
#B73D29 #29B73D #3D29B7
tetradic
#B73D29 #5CB729 #29A3B7 #8429B7
square
#B73D29 #5CB729 #29A3B7 #8429B7
split-complementary
#B73D29 #29B784 #295CB7
monochromatic
#531C13 #852C1E #B73D29 #D65B47 #E18879
Accessibility & contrast
On white
5.66
#B73D29 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.71
#B73D29 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B73D29
5.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B73D29 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B73D29 | 1.00 | 5.66 | 3.71 | 5.66 |
| #FFFFFF | 5.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#605626
Deuteranopia (green-blind)
#7E7124
Tritanopia (blue-blind)
#C91939
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #b73d29; /* rgb */ color: rgb(183, 61, 41); /* oklch */ color: oklch(53.2% 0.161 31.9);
Tailwind
colors: {
custom: {
50: '#d57964',
500: '#b73d29',
950: '#000000',
},
}SCSS
$custom: #b73d29; $custom-light: #d57964; $custom-dark: #000000;
JSON
{
"hex": "#b73d29",
"rgb": {
"r": 183,
"g": 61,
"b": 41
},
"hsl": {
"h": 8.451,
"s": 63.393,
"l": 43.922
},
"oklch": {
"l": 0.53225,
"c": 0.16133,
"h": 31.9
},
"luminance": 0.13565
}Semantic roles & 50–950 ramp
primary
#B73D29
secondary
#73BDC9
accent
#CFE641
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160905
muted
#847B7A