#863B18
Closest named color: Rust Brown (#8B3103). oklch(44.7% 0.113 43.1), rgb(134, 59, 24).
Aa
White text reads best on this color (7.91:1).
About this color
#863B18 is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.113 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.021 away. White text reads best on it, at 7.91:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.65:1 |
| White text | 7.91:1 |
Values
| HEX | #863B18 |
| RGB | rgb(134, 59, 24) |
| HSL | hsl(19, 70%, 31%) |
| OKLCH | oklch(44.7% 0.113 43.1) |
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 #863B18 | 7.91:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #863B18 | 2.65:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #863B18 text on white | 7.91:1 | AAA | Lc 86.9 | Fine for body text |
| #863B18 text on black | 2.65:1 | Fails | Lc -15.2 | 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
#E6B39F
oklch(80.8% 0.066 42.4)
-
Step 400
400
#D88A6A
oklch(70.7% 0.106 43)
-
Step 500
500
#CC6B41
oklch(63.2% 0.135 43.1)
-
Step 600
600
#B7501E
oklch(55.6% 0.147 43.2)
-
Step 700
700
#9D400F
oklch(49.1% 0.136 43.3)
-
Step 800
800 (this color)
#863B18
oklch(44.7% 0.113 43.1)
-
Step 900
900
#672F16
oklch(37.7% 0.089 43.1)
-
Step 950
950
#3D1C0E
oklch(27% 0.057 42.9)
#863B18 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) | #504713 | 0.107 |
| Deuteranopia (no green cones) | #625816 | 0.098 |
| Tritanopia (no blue cones) | #942A34 | 0.058 |
| Achromatopsia (no color) | #515151 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #863B18
#863B18
oklch(44.7% 0.113 43.1)
- #005E76
#005E76
oklch(44.7% 0.083 223)
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 #863B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.021
- Red Brown #8B2E16 ΔE 0.027
- Saddle Brown #8B4513 ΔE 0.028
- Brown Red #922B05 ΔE 0.034
- Milk Chocolate #7F4E1E ΔE 0.046
- Russet #A13905 ΔE 0.054
- Brick #A03623 ΔE 0.054
- Burnt Red #9F2305 ΔE 0.057
Use #863B18 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.