#8B371F#8B371F
#8B371F is a dark, vivid red. Relative luminance 0.083; OKLCH L 45.0% C 0.121 H 36.6°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).
Color values
| HEX | #8B371F |
|---|---|
| RGB | rgb(139, 55, 31) |
| HSL | hsl(13, 64%, 33%) |
| HSV | hsv(13, 78%, 55%) |
| CMYK | cmyk(0%, 60.4%, 77.7%, 45.5%) |
| CIE-LAB | lab(34.64, 34.35, 32.38) |
| CIE-LCH | lch(34.64, 47.21, 43.31°) |
| OKLab | oklab(44.96% 0.0968 0.0719) |
| OKLCH | oklch(44.96% 0.121 36.6) |
| XYZ | xyz(12.2623, 8.3219, 2.2566) |
| Luminance | 0.0832 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Red Brown
#8B2E16
ΔE00 2.11
Brownish Red
#9E3623
ΔE00 4.19
Brown Red
#922B05
ΔE00 4.42
Reddish Brown
#7F2B0A
ΔE00 4.48
Brick
#A03623
ΔE00 4.56
Rust Brown
#8B3103
ΔE00 5.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#8B371F #1F738B
analogous
#8B1F3D #8B371F #8B6D1F
triadic
#8B371F #1F8B37 #371F8B
tetradic
#8B371F #3D8B1F #1F738B #6D1F8B
square
#8B371F #3D8B1F #1F738B #6D1F8B
split-complementary
#8B371F #1F8B6D #1F3D8B
monochromatic
#270F09 #592314 #8B371F #BD4B2A #D76C4D
Accessibility & contrast
On white
7.88
#8B371F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.66
#8B371F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #8B371F
7.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##8B371F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##8B371F | 1.00 | 7.88 | 2.66 | 7.88 |
| #FFFFFF | 7.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E461C
Deuteranopia (green-blind)
#63581C
Tritanopia (blue-blind)
#992432
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #8b371f; /* rgb */ color: rgb(139, 55, 31); /* oklch */ color: oklch(45.0% 0.121 36.6);
Tailwind
colors: {
custom: {
50: '#b4715c',
500: '#8b371f',
950: '#000000',
},
}SCSS
$custom: #8b371f; $custom-light: #b4715c; $custom-dark: #000000;
JSON
{
"hex": "#8b371f",
"rgb": {
"r": 139,
"g": 55,
"b": 31
},
"hsl": {
"h": 13.333,
"s": 63.529,
"l": 33.333
},
"oklch": {
"l": 0.44959,
"c": 0.12058,
"h": 36.6
},
"luminance": 0.0832
}Semantic roles & 50–950 ramp
primary
#8B371F
secondary
#4CA2BA
accent
#C2E741
background
#FBF6F5
surface
#F7ECE9
border
#D0C7C5
text
#120804
muted
#817B79