#B7372C#B7372C
#B7372C is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.166 H 28.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).
Color values
| HEX | #B7372C |
|---|---|
| RGB | rgb(183, 55, 44) |
| HSL | hsl(5, 61%, 45%) |
| HSV | hsv(5, 76%, 72%) |
| CMYK | cmyk(0%, 69.9%, 76%, 28.2%) |
| CIE-LAB | lab(42.74, 50.76, 36.12) |
| CIE-LCH | lch(42.74, 62.30, 35.44°) |
| OKLab | oklab(52.59% 0.1456 0.0804) |
| OKLCH | oklch(52.59% 0.166 28.9) |
| XYZ | xyz(21.3517, 12.9847, 3.7644) |
| Luminance | 0.1298 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.61
Dull Red
#BB3F3F
ΔE00 4.58
Scarlet
#BE0119
ΔE00 4.74
Brick
#A03623
ΔE00 5.01
Reddish
#C44240
ΔE00 5.20
Brown
#A52A2A
ΔE00 5.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B7372C #2CACB7
analogous
#B72C67 #B7372C #B77C2C
triadic
#B7372C #2CB737 #372CB7
tetradic
#B7372C #67B72C #2CACB7 #7C2CB7
square
#B7372C #67B72C #2CACB7 #7C2CB7
split-complementary
#B7372C #2CB77C #2C67B7
monochromatic
#541914 #862820 #B7372C #D4574C #E0857E
Accessibility & contrast
On white
5.84
#B7372C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.60
#B7372C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B7372C
5.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B7372C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B7372C | 1.00 | 5.84 | 3.60 | 5.84 |
| #FFFFFF | 5.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C532A
Deuteranopia (green-blind)
#7C6F27
Tritanopia (blue-blind)
#C90736
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b7372c; /* rgb */ color: rgb(183, 55, 44); /* oklch */ color: oklch(52.6% 0.166 28.9);
Tailwind
colors: {
custom: {
50: '#d57666',
500: '#b7372c',
950: '#000000',
},
}SCSS
$custom: #b7372c; $custom-light: #d57666; $custom-dark: #000000;
JSON
{
"hex": "#b7372c",
"rgb": {
"r": 183,
"g": 55,
"b": 44
},
"hsl": {
"h": 4.748,
"s": 61.233,
"l": 44.51
},
"oklch": {
"l": 0.52585,
"c": 0.16633,
"h": 28.9
},
"luminance": 0.12982
}Semantic roles & 50–950 ramp
primary
#B7372C
secondary
#76C2C8
accent
#D8E443
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A