#81590B
Closest named color: Medium Brown (#7F5112). oklch(49.5% 0.099 77), rgb(129, 89, 11).
Aa
White text reads best on this color (6.23:1).
About this color
#81590B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 49%, its chroma 0.099 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Brown (#7F5112), ΔE 0.024 away. White text reads best on it, at 6.23:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Medium Brown (#7F5112) |
| Black text | 3.36:1 |
| White text | 6.23:1 |
Values
| HEX | #81590B |
| RGB | rgb(129, 89, 11) |
| HSL | hsl(40, 84%, 27%) |
| OKLCH | oklch(49.5% 0.099 77) |
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 #81590B | 6.23:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #81590B | 3.36:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #81590B text on white | 6.23:1 | AA | Lc 80.9 | Fine for body text |
| #81590B text on black | 3.36:1 | AA large text | Lc -21.0 | 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 700.
-
Step 50
50
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E3D7C6
oklch(88.4% 0.026 76.8)
-
Step 300
300
#D2BD9E
oklch(80.8% 0.048 77.5)
-
Step 400
400
#BC9B69
oklch(70.8% 0.077 77.4)
-
Step 500
500
#AB813F
oklch(63.1% 0.098 76.6)
-
Step 600
600
#966A19
oklch(55.6% 0.107 77.3)
-
Step 700
700 (this color)
#81590B
oklch(49.5% 0.099 77)
-
Step 800
800
#68480E
oklch(42.7% 0.082 76.8)
-
Step 900
900
#553D15
oklch(37.8% 0.065 77.1)
-
Step 950
950
#32240E
oklch(27.1% 0.041 76.9)
#81590B 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) | #685B00 | 0.046 |
| Deuteranopia (no green cones) | #71650F | 0.042 |
| Tritanopia (no blue cones) | #8D4E4B | 0.084 |
| Achromatopsia (no color) | #616161 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81590B
#81590B
oklch(49.5% 0.099 77)
- #3B6299
#3B6299
oklch(49.4% 0.099 257.2)
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 #81590B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Brown #7F5112 ΔE 0.024
- Mud #735C12 ΔE 0.025
- Milk Chocolate #7F4E1E ΔE 0.036
- Dirt Brown #836539 ΔE 0.042
- Muddy Brown #886806 ΔE 0.045
- Warm Brown #964E02 ΔE 0.045
- Greeny Brown #696006 ΔE 0.046
- Cocoa #875F42 ΔE 0.050
Use #81590B 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.