#81581F
Closest named color: Medium Brown (#7F5112). oklch(49.4% 0.09 71.5), rgb(129, 88, 31).
Aa
White text reads best on this color (6.27:1).
About this color
#81581F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 49%, its chroma 0.090 and its hue 71°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Brown (#7F5112), ΔE 0.019 away. White text reads best on it, at 6.27:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Medium Brown (#7F5112) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #81581F |
| RGB | rgb(129, 88, 31) |
| HSL | hsl(35, 61%, 31%) |
| OKLCH | oklch(49.4% 0.09 71.5) |
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 #81581F | 6.27:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #81581F | 3.34:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #81581F text on white | 6.27:1 | AA | Lc 81.0 | Fine for body text |
| #81581F text on black | 3.34:1 | AA large text | Lc -20.8 | 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
#EFE9E1
oklch(93.7% 0.013 75.4)
-
Step 200
200
#E4D7C8
oklch(88.6% 0.025 71.4)
-
Step 300
300
#D3BDA3
oklch(81% 0.043 71.8)
-
Step 400
400
#BC9A70
oklch(70.7% 0.07 72.2)
-
Step 500
500
#AB804A
oklch(63% 0.089 71.3)
-
Step 600
600
#96692C
oklch(55.6% 0.096 71.6)
-
Step 700
700 (this color)
#81581F
oklch(49.4% 0.09 71.5)
-
Step 800
800
#68471B
oklch(42.6% 0.074 71)
-
Step 900
900
#553C1C
oklch(37.7% 0.058 71.2)
-
Step 950
950
#322311
oklch(26.9% 0.037 70.2)
#81581F 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) | #665A18 | 0.050 |
| Deuteranopia (no green cones) | #706421 | 0.043 |
| Tritanopia (no blue cones) | #8D4E4C | 0.073 |
| Achromatopsia (no color) | #606060 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81581F
#81581F
oklch(49.4% 0.09 71.5)
- #386493
#386493
oklch(49.3% 0.09 251.5)
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 #81581F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Brown #7F5112 ΔE 0.019
- Milk Chocolate #7F4E1E ΔE 0.028
- Mud #735C12 ΔE 0.031
- Dirt Brown #836539 ΔE 0.038
- Cocoa #875F42 ΔE 0.040
- Warm Brown #964E02 ΔE 0.042
- Saddle Brown #8B4513 ΔE 0.048
- Sepia #985E2B ΔE 0.048
Use #81581F 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.