#81550A
Closest named color: Medium Brown (#7F5112). oklch(48.6% 0.1 73.1), rgb(129, 85, 10).
Aa
White text reads best on this color (6.48:1).
About this color
#81550A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 49%, its chroma 0.100 and its hue 73°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Brown (#7F5112), ΔE 0.013 away. White text reads best on it, at 6.48:1.
| Hue family | Browns |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Medium Brown (#7F5112) |
| Black text | 3.23:1 |
| White text | 6.48:1 |
Values
| HEX | #81550A |
| RGB | rgb(129, 85, 10) |
| HSL | hsl(38, 86%, 27%) |
| OKLCH | oklch(48.6% 0.1 73.1) |
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 #81550A | 6.48:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #81550A | 3.23:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #81550A text on white | 6.48:1 | AA | Lc 81.9 | Fine for body text |
| #81550A text on black | 3.23:1 | AA large text | Lc -20.0 | 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
#F0E9E0
oklch(93.7% 0.014 74.4)
-
Step 200
200
#E4D7C6
oklch(88.5% 0.027 74.7)
-
Step 300
300
#D4BC9F
oklch(80.8% 0.048 72.3)
-
Step 400
400
#BE996A
oklch(70.6% 0.077 72.7)
-
Step 500
500
#AE8040
oklch(63.2% 0.099 73.3)
-
Step 600
600
#99681C
oklch(55.6% 0.107 73)
-
Step 700
700 (this color)
#81550A
oklch(48.6% 0.1 73.1)
-
Step 800
800
#6A4710
oklch(42.7% 0.083 73.3)
-
Step 900
900
#563C16
oklch(37.7% 0.064 73.8)
-
Step 950
950
#32230E
oklch(26.9% 0.041 73.8)
#81550A 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) | #645800 | 0.054 |
| Deuteranopia (no green cones) | #6F620E | 0.046 |
| Tritanopia (no blue cones) | #8D4A48 | 0.082 |
| Achromatopsia (no color) | #5E5E5E | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81550A
#81550A
oklch(48.6% 0.1 73.1)
- #336196
#336196
oklch(48.6% 0.1 253.4)
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 #81550A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Brown #7F5112 ΔE 0.013
- Milk Chocolate #7F4E1E ΔE 0.026
- Mud #735C12 ΔE 0.030
- Warm Brown #964E02 ΔE 0.041
- Saddle Brown #8B4513 ΔE 0.045
- Dirt Brown #836539 ΔE 0.049
- Greeny Brown #696006 ΔE 0.051
- Cocoa #875F42 ΔE 0.053
Use #81550A 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.