#873C1F
Closest named color: Rust Brown (#8B3103). oklch(45.1% 0.111 40.7), rgb(135, 60, 31).
Aa
White text reads best on this color (7.78:1).
About this color
#873C1F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.111 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.024 away. White text reads best on it, at 7.78:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.111) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #873C1F |
| RGB | rgb(135, 60, 31) |
| HSL | hsl(17, 63%, 33%) |
| OKLCH | oklch(45.1% 0.111 40.7) |
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 #873C1F | 7.78:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #873C1F | 2.69:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #873C1F text on white | 7.78:1 | AAA | Lc 86.5 | Fine for body text |
| #873C1F text on black | 2.69:1 | Fails | Lc -15.6 | 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
#EFD2C7
oklch(88.5% 0.036 41.9)
-
Step 300
300
#E6B3A1
oklch(80.8% 0.065 40.3)
-
Step 400
400
#D88A6E
oklch(70.7% 0.104 40.5)
-
Step 500
500
#CB6A46
oklch(63% 0.133 40.6)
-
Step 600
600
#B75027
oklch(55.7% 0.144 40.7)
-
Step 700
700
#9D4019
oklch(49.2% 0.134 40.9)
-
Step 800
800 (this color)
#873C1F
oklch(45.1% 0.111 40.7)
-
Step 900
900
#672F1A
oklch(37.7% 0.087 40.5)
-
Step 950
950
#3C1C10
oklch(26.9% 0.054 40.9)
#873C1F 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) | #51481C | 0.106 |
| Deuteranopia (no green cones) | #63591D | 0.099 |
| Tritanopia (no blue cones) | #942C36 | 0.054 |
| Achromatopsia (no color) | #525252 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #873C1F
#873C1F
oklch(45.1% 0.111 40.7)
- #005F75
#005F75
oklch(44.9% 0.082 220.8)
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 #873C1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.024
- Red Brown #8B2E16 ΔE 0.027
- Saddle Brown #8B4513 ΔE 0.028
- Brown Red #922B05 ΔE 0.035
- Milk Chocolate #7F4E1E ΔE 0.046
- Brick #A03623 ΔE 0.050
- Russet #A13905 ΔE 0.052
- Burnt Red #9F2305 ΔE 0.056
Use #873C1F 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.