#8B3810
Closest named color: Rust Brown (#8B3103). oklch(45% 0.124 42.5), rgb(139, 56, 16).
Aa
White text reads best on this color (7.86:1).
About this color
#8B3810 is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.124 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.014 away. White text reads best on it, at 7.86:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.67:1 |
| White text | 7.86:1 |
Values
| HEX | #8B3810 |
| RGB | rgb(139, 56, 16) |
| HSL | hsl(20, 79%, 30%) |
| OKLCH | oklch(45% 0.124 42.5) |
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 #8B3810 | 7.86:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #8B3810 | 2.67:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #8B3810 text on white | 7.86:1 | AAA | Lc 86.6 | Fine for body text |
| #8B3810 text on black | 2.67:1 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
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
#EAB29C
oklch(80.9% 0.072 42.4)
-
Step 400
400
#DD8765
oklch(70.7% 0.116 42.2)
-
Step 500
500
#D16639
oklch(63.1% 0.148 42.2)
-
Step 600
600
#BC4A0D
oklch(55.5% 0.16 42.5)
-
Step 700
700
#A13B00
oklch(49% 0.147 42.3)
-
Step 800
800 (this color)
#8B3810
oklch(45% 0.124 42.5)
-
Step 900
900
#6A2D11
oklch(37.8% 0.096 42.9)
-
Step 950
950
#3E1B0C
oklch(27% 0.06 42.8)
#8B3810 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) | #504608 | 0.118 |
| Deuteranopia (no green cones) | #64590C | 0.108 |
| Tritanopia (no blue cones) | #992431 | 0.061 |
| Achromatopsia (no color) | #525252 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B3810
#8B3810
oklch(45% 0.124 42.5)
- #005F76
#005F76
oklch(45% 0.083 221.8)
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 #8B3810, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.014
- Red Brown #8B2E16 ΔE 0.022
- Brown Red #922B05 ΔE 0.025
- Saddle Brown #8B4513 ΔE 0.029
- Russet #A13905 ΔE 0.045
- Brick #A03623 ΔE 0.046
- Burnt Red #9F2305 ΔE 0.047
- Milk Chocolate #7F4E1E ΔE 0.053
Use #8B3810 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.