#81683D
Closest named color: Dirt Brown (#836539). oklch(53.2% 0.068 80.1), rgb(129, 104, 61).
Aa
White text reads best on this color (5.27:1).
About this color
#81683D is a medium-dark, muted brown. In OKLCH its lightness is 53%, its chroma 0.068 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Dirt Brown (#836539), ΔE 0.008 away. White text reads best on it, at 5.27:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Dirt Brown (#836539) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #81683D |
| RGB | rgb(129, 104, 61) |
| HSL | hsl(38, 36%, 37%) |
| OKLCH | oklch(53.2% 0.068 80.1) |
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 #81683D | 5.27:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #81683D | 3.98:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #81683D text on white | 5.27:1 | AA | Lc 76.2 | Fine for body text |
| #81683D text on black | 3.98:1 | AA large text | Lc -25.6 | 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 600.
-
Step 50
50
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EDE9E3
oklch(93.5% 0.009 78.3)
-
Step 200
200
#DFD8CD
oklch(88.5% 0.017 79.3)
-
Step 300
300
#CBBFAB
oklch(80.9% 0.031 80.6)
-
Step 400
400
#B19E7E
oklch(70.8% 0.05 80.6)
-
Step 500
500
#9D865E
oklch(63.1% 0.062 81)
-
Step 600
600 (this color)
#81683D
oklch(53.2% 0.068 80.1)
-
Step 700
700
#745D36
oklch(49.2% 0.063 79.7)
-
Step 800
800
#5E4C2D
oklch(42.7% 0.052 80.3)
-
Step 900
900
#4D3F28
oklch(37.6% 0.041 79.4)
-
Step 950
950
#2D2518
oklch(27% 0.025 79.4)
#81683D 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) | #726839 | 0.026 |
| Deuteranopia (no green cones) | #786E3E | 0.021 |
| Tritanopia (no blue cones) | #8B615E | 0.059 |
| Achromatopsia (no color) | #6C6C6C | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81683D
#81683D
oklch(53.2% 0.068 80.1)
- #556D94
#556D94
oklch(53.2% 0.068 259.9)
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 #81683D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dirt Brown #836539 ΔE 0.008
- Dark Taupe #7F684E ΔE 0.022
- Dull Brown #876E4B ΔE 0.024
- Dirt #8A6E45 ΔE 0.025
- Grey Brown #7F7053 ΔE 0.029
- Cocoa #875F42 ΔE 0.030
- Muddy Brown #886806 ΔE 0.041
- Sepia #985E2B ΔE 0.044
Use #81683D 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.