#85310C
Closest named color: Rust Brown (#8B3103). oklch(42.9% 0.124 40.6), rgb(133, 49, 12).
Aa
White text reads best on this color (8.59:1).
About this color
#85310C is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.124 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.013 away. White text reads best on it, at 8.59:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.44:1 |
| White text | 8.59:1 |
Values
| HEX | #85310C |
| RGB | rgb(133, 49, 12) |
| HSL | hsl(18, 83%, 28%) |
| OKLCH | oklch(42.9% 0.124 40.6) |
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 #85310C | 8.59:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #85310C | 2.44:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #85310C text on white | 8.59:1 | AAA | Lc 88.7 | Fine for body text |
| #85310C text on black | 2.44:1 | Fails | Lc -13.5 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F2D1C5
oklch(88.5% 0.041 41)
-
Step 300
300
#EAB29D
oklch(81% 0.072 41.5)
-
Step 400
400
#DE8767
oklch(70.8% 0.116 40.8)
-
Step 500
500
#D2653C
oklch(63.1% 0.149 40.5)
-
Step 600
600
#BD4915
oklch(55.6% 0.161 40.8)
-
Step 700
700
#A33904
oklch(49.1% 0.15 40.5)
-
Step 800
800 (this color)
#85310C
oklch(42.9% 0.124 40.6)
-
Step 900
900
#6B2C13
oklch(37.8% 0.097 40.7)
-
Step 950
950
#3F1A0D
oklch(27% 0.062 39.6)
#85310C 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) | #494005 | 0.122 |
| Deuteranopia (no green cones) | #5E5307 | 0.110 |
| Tritanopia (no blue cones) | #931B2A | 0.057 |
| Achromatopsia (no color) | #4C4C4C | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #85310C
#85310C
oklch(42.9% 0.124 40.6)
- #00596E
#00596E
oklch(43% 0.079 221)
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 #85310C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.013
- Red Brown #8B2E16 ΔE 0.016
- Brown Red #922B05 ΔE 0.027
- Brick Red #8F1402 ΔE 0.043
- Chestnut #742802 ΔE 0.044
- Saddle Brown #8B4513 ΔE 0.048
- Burnt Red #9F2305 ΔE 0.053
- Auburn #9B2226 ΔE 0.057
Use #85310C 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.