#873B1F#873B1F
#873B1F is a dark, moderate orange. Relative luminance 0.084; OKLCH L 44.9% C 0.112 H 39.9°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).
Color values
| HEX | #873B1F |
|---|---|
| RGB | rgb(135, 59, 31) |
| HSL | hsl(16, 63%, 33%) |
| HSV | hsv(16, 77%, 53%) |
| CMYK | cmyk(0%, 56.3%, 77%, 47.1%) |
| CIE-LAB | lab(34.76, 30.66, 32.30) |
| CIE-LCH | lch(34.76, 44.54, 46.49°) |
| OKLab | oklab(44.91% 0.0859 0.0719) |
| OKLCH | oklch(44.91% 0.112 39.9) |
| XYZ | xyz(11.8041, 8.3793, 2.2918) |
| Luminance | 0.0838 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Red Brown
#8B2E16
ΔE00 3.53
Reddish Brown
#7F2B0A
ΔE00 4.34
Rust Brown
#8B3103
ΔE00 4.55
Brown Red
#922B05
ΔE00 4.87
Brownish Red
#9E3623
ΔE00 5.73
Auburn
#9A3001
ΔE00 5.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#873B1F #1F6B87
analogous
#871F37 #873B1F #876F1F
triadic
#873B1F #1F873B #3B1F87
tetradic
#873B1F #37871F #1F6B87 #6F1F87
square
#873B1F #37871F #1F6B87 #6F1F87
split-complementary
#873B1F #1F876F #1F3787
monochromatic
#230F08 #552514 #873B1F #B9512A #D6704B
Accessibility & contrast
On white
7.85
#873B1F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.68
#873B1F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #873B1F
7.85:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##873B1F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##873B1F | 1.00 | 7.85 | 2.68 | 7.85 |
| #FFFFFF | 7.85 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.85 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#50471C
Deuteranopia (green-blind)
#63581D
Tritanopia (blue-blind)
#952B35
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #873b1f; /* rgb */ color: rgb(135, 59, 31); /* oklch */ color: oklch(44.9% 0.112 39.9);
Tailwind
colors: {
custom: {
50: '#b0735c',
500: '#873b1f',
950: '#000000',
},
}SCSS
$custom: #873b1f; $custom-light: #b0735c; $custom-dark: #000000;
JSON
{
"hex": "#873b1f",
"rgb": {
"r": 135,
"g": 59,
"b": 31
},
"hsl": {
"h": 16.154,
"s": 62.651,
"l": 32.549
},
"oklch": {
"l": 0.44914,
"c": 0.11205,
"h": 39.9
},
"luminance": 0.08378
}Semantic roles & 50–950 ramp
primary
#873B1F
secondary
#4A9AB8
accent
#BAE642
background
#FBF7F5
surface
#F6EDE9
border
#D0C8C5
text
#120804
muted
#817B79