#B73F2F#B73F2F
#B73F2F is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.158 H 30.5°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).
Color values
| HEX | #B73F2F |
|---|---|
| RGB | rgb(183, 63, 47) |
| HSL | hsl(7, 59%, 45%) |
| HSV | hsv(7, 74%, 72%) |
| CMYK | cmyk(0%, 65.6%, 74.3%, 28.2%) |
| CIE-LAB | lab(43.99, 47.59, 35.80) |
| CIE-LCH | lch(43.99, 59.55, 36.96°) |
| OKLab | oklab(53.53% 0.1363 0.0804) |
| OKLCH | oklch(53.53% 0.158 30.5) |
| XYZ | xyz(21.8214, 13.8307, 4.2093) |
| Luminance | 0.1383 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 4.86
Reddish
#C44240
ΔE00 5.04
Firebrick
#B22222
ΔE00 5.21
Brick
#A03623
ΔE00 5.44
Brownish Red
#9E3623
ΔE00 5.80
Scarlet
#BE0119
ΔE00 6.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B73F2F #2FA7B7
analogous
#B72F63 #B73F2F #B7832F
triadic
#B73F2F #2FB73F #3F2FB7
tetradic
#B73F2F #63B72F #2FA7B7 #832FB7
square
#B73F2F #63B72F #2FA7B7 #832FB7
split-complementary
#B73F2F #2FB783 #2F63B7
monochromatic
#561D16 #862E22 #B73F2F #D26051 #DF8D82
Accessibility & contrast
On white
5.58
#B73F2F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.77
#B73F2F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B73F2F
5.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B73F2F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B73F2F | 1.00 | 5.58 | 3.77 | 5.58 |
| #FFFFFF | 5.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.77 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#61572C
Deuteranopia (green-blind)
#7E722B
Tritanopia (blue-blind)
#C91E3C
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #b73f2f; /* rgb */ color: rgb(183, 63, 47); /* oklch */ color: oklch(53.5% 0.158 30.5);
Tailwind
colors: {
custom: {
50: '#d47a68',
500: '#b73f2f',
950: '#000000',
},
}SCSS
$custom: #b73f2f; $custom-light: #d47a68; $custom-dark: #000000;
JSON
{
"hex": "#b73f2f",
"rgb": {
"r": 183,
"g": 63,
"b": 47
},
"hsl": {
"h": 7.059,
"s": 59.13,
"l": 45.098
},
"oklch": {
"l": 0.53533,
"c": 0.15825,
"h": 30.5
},
"luminance": 0.13828
}Semantic roles & 50–950 ramp
primary
#B73F2F
secondary
#7ABFC8
accent
#D0E245
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A