#813B11
Closest named color: Rust Brown (#8B3103). oklch(43.8% 0.11 47), rgb(129, 59, 17).
Aa
White text reads best on this color (8.18:1).
About this color
#813B11 is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.110 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.025 away. White text reads best on it, at 8.18:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #813B11 |
| RGB | rgb(129, 59, 17) |
| HSL | hsl(23, 77%, 29%) |
| OKLCH | oklch(43.8% 0.11 47) |
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 #813B11 | 8.18:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #813B11 | 2.56:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #813B11 text on white | 8.18:1 | AAA | Lc 87.7 | Fine for body text |
| #813B11 text on black | 2.56:1 | Fails | Lc -14.4 | Not readable |
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
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EED3C6
oklch(88.6% 0.035 47.4)
-
Step 300
300
#E4B59E
oklch(80.9% 0.063 47.4)
-
Step 400
400
#D58C68
oklch(70.6% 0.102 46.8)
-
Step 500
500
#C86E3D
oklch(63.1% 0.13 47.5)
-
Step 600
600
#B45317
oklch(55.6% 0.143 47)
-
Step 700
700
#9A4306
oklch(49% 0.132 47.2)
-
Step 800
800 (this color)
#813B11
oklch(43.8% 0.11 47)
-
Step 900
900
#653114
oklch(37.7% 0.085 47.2)
-
Step 950
950
#3C1D0D
oklch(27% 0.055 46.6)
#813B11 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) | #4F450A | 0.100 |
| Deuteranopia (no green cones) | #60550F | 0.090 |
| Tritanopia (no blue cones) | #8E2B33 | 0.061 |
| Achromatopsia (no color) | #4F4F4F | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813B11
#813B11
oklch(43.8% 0.11 47)
- #005B76
#005B76
oklch(43.9% 0.084 226.6)
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 #813B11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.025
- Red Brown #8B2E16 ΔE 0.033
- Saddle Brown #8B4513 ΔE 0.033
- Brown Red #922B05 ΔE 0.041
- Milk Chocolate #7F4E1E ΔE 0.046
- Chestnut #742802 ΔE 0.054
- Medium Brown #7F5112 ΔE 0.056
- Russet #A13905 ΔE 0.064
Use #813B11 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.