#8B3911
Closest named color: Rust Brown (#8B3103). oklch(45.1% 0.122 42.8), rgb(139, 57, 17).
Aa
White text reads best on this color (7.80:1).
About this color
#8B3911 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.122 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.016 away. White text reads best on it, at 7.80:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.69:1 |
| White text | 7.80:1 |
Values
| HEX | #8B3911 |
| RGB | rgb(139, 57, 17) |
| HSL | hsl(20, 78%, 31%) |
| OKLCH | oklch(45.1% 0.122 42.8) |
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 #8B3911 | 7.80:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #8B3911 | 2.69:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #8B3911 text on white | 7.80:1 | AAA | Lc 86.4 | Fine for body text |
| #8B3911 text on black | 2.69:1 | Fails | Lc -15.7 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C5
oklch(88.4% 0.04 41.7)
-
Step 300
300
#E9B29C
oklch(80.8% 0.071 42.8)
-
Step 400
400
#DC8865
oklch(70.7% 0.114 43.2)
-
Step 500
500
#D06739
oklch(63.1% 0.146 42.9)
-
Step 600
600
#BC4B0E
oklch(55.6% 0.159 42.8)
-
Step 700
700
#A13C00
oklch(49.1% 0.146 42.8)
-
Step 800
800 (this color)
#8B3911
oklch(45.1% 0.122 42.8)
-
Step 900
900
#6A2D11
oklch(37.8% 0.096 42.9)
-
Step 950
950
#3E1B0C
oklch(27% 0.06 42.8)
#8B3911 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) | #50470A | 0.118 |
| Deuteranopia (no green cones) | #64590D | 0.107 |
| Tritanopia (no blue cones) | #992531 | 0.061 |
| Achromatopsia (no color) | #525252 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B3911
#8B3911
oklch(45.1% 0.122 42.8)
- #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 #8B3911, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.016
- Red Brown #8B2E16 ΔE 0.024
- Brown Red #922B05 ΔE 0.027
- Saddle Brown #8B4513 ΔE 0.027
- Russet #A13905 ΔE 0.045
- Brick #A03623 ΔE 0.046
- Burnt Red #9F2305 ΔE 0.048
- Milk Chocolate #7F4E1E ΔE 0.051
Use #8B3911 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.