#81673D
Closest named color: Dirt Brown (#836539). oklch(53% 0.067 78.5), rgb(129, 103, 61).
Aa
White text reads best on this color (5.32:1).
About this color
#81673D is a medium-dark, muted brown. In OKLCH its lightness is 53%, its chroma 0.067 and its hue 79°. Its hue sits on the warm side of the wheel. The nearest named color is Dirt Brown (#836539), ΔE 0.006 away. White text reads best on it, at 5.32:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Dirt Brown (#836539) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #81673D |
| RGB | rgb(129, 103, 61) |
| HSL | hsl(37, 36%, 37%) |
| OKLCH | oklch(53% 0.067 78.5) |
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 #81673D | 5.32:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #81673D | 3.94:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #81673D text on white | 5.32:1 | AA | Lc 76.5 | Fine for body text |
| #81673D text on black | 3.94:1 | AA large text | Lc -25.3 | 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
#B19D7F
oklch(70.6% 0.048 77.9)
-
Step 500
500
#9E855E
oklch(63% 0.062 78.4)
-
Step 600
600 (this color)
#81673D
oklch(53% 0.067 78.5)
-
Step 700
700
#745C36
oklch(49% 0.063 78)
-
Step 800
800
#5F4C2D
oklch(42.8% 0.053 78.9)
-
Step 900
900
#4D3F29
oklch(37.6% 0.04 78.4)
-
Step 950
950
#2D2518
oklch(27% 0.025 79.4)
#81673D 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) | #71673A | 0.028 |
| Deuteranopia (no green cones) | #786E3E | 0.024 |
| Tritanopia (no blue cones) | #8B605D | 0.058 |
| Achromatopsia (no color) | #6B6B6B | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81673D
#81673D
oklch(53% 0.067 78.5)
- #546D93
#546D93
oklch(53.1% 0.067 258.6)
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 #81673D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dirt Brown #836539 ΔE 0.006
- Dark Taupe #7F684E ΔE 0.021
- Dull Brown #876E4B ΔE 0.026
- Dirt #8A6E45 ΔE 0.026
- Cocoa #875F42 ΔE 0.027
- Grey Brown #7F7053 ΔE 0.031
- Muddy Brown #886806 ΔE 0.042
- Sepia #985E2B ΔE 0.043
Use #81673D 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.