#873A1B#873A1B
#873A1B is a dark, moderate orange. Relative luminance 0.083; OKLCH L 44.7% C 0.114 H 41.0°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).
Color values
| HEX | #873A1B |
|---|---|
| RGB | rgb(135, 58, 27) |
| HSL | hsl(17, 67%, 32%) |
| HSV | hsv(17, 80%, 53%) |
| CMYK | cmyk(0%, 57%, 80%, 47.1%) |
| CIE-LAB | lab(34.51, 31.02, 34.20) |
| CIE-LCH | lch(34.51, 46.17, 47.79°) |
| OKLab | oklab(44.71% 0.0863 0.075) |
| OKLCH | oklch(44.71% 0.114 41) |
| XYZ | xyz(11.7038, 8.2577, 2.0143) |
| Luminance | 0.0826 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Red Brown
#8B2E16
ΔE00 3.66
Rust Brown
#8B3103
ΔE00 3.71
Reddish Brown
#7F2B0A
ΔE00 3.91
Brown Red
#922B05
ΔE00 4.39
Auburn
#9A3001
ΔE00 5.23
Chestnut
#742802
ΔE00 5.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#873A1B #1B6887
analogous
#871B32 #873A1B #87701B
triadic
#873A1B #1B873A #3A1B87
tetradic
#873A1B #32871B #1B6887 #701B87
square
#873A1B #32871B #1B6887 #701B87
split-complementary
#873A1B #1B8770 #1B3287
monochromatic
#210E07 #542411 #873A1B #BA5025 #D96E43
Accessibility & contrast
On white
7.92
#873A1B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#873A1B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #873A1B
7.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##873A1B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##873A1B | 1.00 | 7.92 | 2.65 | 7.92 |
| #FFFFFF | 7.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F4617
Deuteranopia (green-blind)
#625819
Tritanopia (blue-blind)
#952934
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #873a1b; /* rgb */ color: rgb(135, 58, 27); /* oklch */ color: oklch(44.7% 0.114 41.0);
Tailwind
colors: {
custom: {
50: '#b17259',
500: '#873a1b',
950: '#000000',
},
}SCSS
$custom: #873a1b; $custom-light: #b17259; $custom-dark: #000000;
JSON
{
"hex": "#873a1b",
"rgb": {
"r": 135,
"g": 58,
"b": 27
},
"hsl": {
"h": 17.222,
"s": 66.667,
"l": 31.765
},
"oklch": {
"l": 0.44713,
"c": 0.11427,
"h": 41
},
"luminance": 0.08256
}Semantic roles & 50–950 ramp
primary
#873A1B
secondary
#4498BA
accent
#B8EA3E
background
#FBF7F5
surface
#F6EDE9
border
#D0C8C5
text
#120804
muted
#817B79