#873C18
Closest named color: Rust Brown (#8B3103). oklch(45% 0.113 43.6), rgb(135, 60, 24).
Aa
White text reads best on this color (7.80:1).
About this color
#873C18 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.113 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.022 away. White text reads best on it, at 7.80:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.68:1 |
| White text | 7.80:1 |
Values
| HEX | #873C18 |
| RGB | rgb(135, 60, 24) |
| HSL | hsl(19, 70%, 31%) |
| OKLCH | oklch(45% 0.113 43.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #873C18 | 7.80:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #873C18 | 2.68:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #873C18 text on white | 7.80:1 | AAA | Lc 86.5 | Fine for body text |
| #873C18 text on black | 2.68:1 | Fails | Lc -15.5 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#EFD2C6
oklch(88.5% 0.037 43.8)
-
Step 300
300
#E6B49E
oklch(80.9% 0.066 44.9)
-
Step 400
400
#D88A69
oklch(70.6% 0.106 43.6)
-
Step 500
500
#CC6B40
oklch(63.2% 0.136 43.5)
-
Step 600
600
#B7501C
oklch(55.6% 0.147 43.7)
-
Step 700
700
#9D400D
oklch(49.1% 0.137 43.7)
-
Step 800
800 (this color)
#873C18
oklch(45% 0.113 43.6)
-
Step 900
900
#672F16
oklch(37.7% 0.089 43.1)
-
Step 950
950
#3D1C0E
oklch(27% 0.057 42.9)
#873C18 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #514813 | 0.107 |
| Deuteranopia (no green cones) | #635816 | 0.096 |
| Tritanopia (no blue cones) | #952B35 | 0.059 |
| Achromatopsia (no color) | #525252 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #873C18
#873C18
oklch(45% 0.113 43.6)
- #005F77
#005F77
oklch(45% 0.084 222.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #873C18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.022
- Saddle Brown #8B4513 ΔE 0.025
- Red Brown #8B2E16 ΔE 0.029
- Brown Red #922B05 ΔE 0.035
- Milk Chocolate #7F4E1E ΔE 0.044
- Russet #A13905 ΔE 0.051
- Brick #A03623 ΔE 0.052
- Medium Brown #7F5112 ΔE 0.055
Use #873C18 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.