#86370B
Closest named color: Rust Brown (#8B3103). oklch(44% 0.12 44.3), rgb(134, 55, 11).
Aa
White text reads best on this color (8.18:1).
About this color
#86370B is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.120 and its hue 44°. 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 8.18:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #86370B |
| RGB | rgb(134, 55, 11) |
| HSL | hsl(21, 85%, 28%) |
| OKLCH | oklch(44% 0.12 44.3) |
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 #86370B | 8.18:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #86370B | 2.56:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #86370B text on white | 8.18:1 | AAA | Lc 87.6 | Fine for body text |
| #86370B text on black | 2.56:1 | Fails | Lc -14.5 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F0D2C5
oklch(88.5% 0.038 44.8)
-
Step 300
300
#E8B39C
oklch(80.9% 0.07 44.6)
-
Step 400
400
#DB8965
oklch(70.8% 0.112 44.2)
-
Step 500
500
#CF6938
oklch(63.2% 0.144 44.6)
-
Step 600
600
#BA4D0C
oklch(55.6% 0.156 44.3)
-
Step 700
700
#9F3E00
oklch(49.1% 0.142 44.2)
-
Step 800
800 (this color)
#86370B
oklch(44% 0.12 44.3)
-
Step 900
900
#692E11
oklch(37.8% 0.094 44.1)
-
Step 950
950
#3E1C0C
oklch(27.2% 0.059 44.5)
#86370B 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) | #4E4402 | 0.113 |
| Deuteranopia (no green cones) | #615607 | 0.103 |
| Tritanopia (no blue cones) | #94242F | 0.061 |
| Achromatopsia (no color) | #4F4F4F | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #86370B
#86370B
oklch(44% 0.12 44.3)
- #005C74
#005C74
oklch(44.1% 0.082 223.5)
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 #86370B, 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 0.023
- Brown Red #922B05 ΔE 0.030
- Saddle Brown #8B4513 ΔE 0.035
- Milk Chocolate #7F4E1E ΔE 0.053
- Chestnut #742802 ΔE 0.054
- Brick Red #8F1402 ΔE 0.054
- Burnt Red #9F2305 ΔE 0.055
Use #86370B 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.