#866B4B
Closest named color: Dull Brown (#876E4B). oklch(54.6% 0.057 70.9), rgb(134, 107, 75).
Aa
White text reads best on this color (4.97:1).
About this color
#866B4B is a medium-dark, muted brown. In OKLCH its lightness is 55%, its chroma 0.057 and its hue 71°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Brown (#876E4B), ΔE 0.009 away. White text reads best on it, at 4.97:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Dull Brown (#876E4B) |
| Black text | 4.21:1 |
| White text | 4.97:1 |
Values
| HEX | #866B4B |
| RGB | rgb(134, 107, 75) |
| HSL | hsl(33, 28%, 41%) |
| OKLCH | oklch(54.6% 0.057 70.9) |
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 #866B4B | 4.97:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #866B4B | 4.21:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #866B4B text on white | 4.97:1 | AA | Lc 74.4 | Content text, not long reading |
| #866B4B text on black | 4.21:1 | AA large text | Lc -27.3 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EDE9E5
oklch(93.6% 0.007 67.7)
-
Step 200
200
#DFD8CF
oklch(88.5% 0.014 74.4)
-
Step 300
300
#CCBEAF
oklch(80.9% 0.026 69.4)
-
Step 400
400
#B19D85
oklch(70.7% 0.041 72.1)
-
Step 500
500
#9E8466
oklch(63% 0.053 70.6)
-
Step 600
600 (this color)
#866B4B
oklch(54.6% 0.057 70.9)
-
Step 700
700
#745C3F
oklch(49.2% 0.053 71.4)
-
Step 800
800
#5F4B34
oklch(42.8% 0.044 70.1)
-
Step 900
900
#4D3F2D
oklch(37.7% 0.035 73.4)
-
Step 950
950
#2D251B
oklch(27% 0.021 72.9)
#866B4B 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) | #756C49 | 0.029 |
| Deuteranopia (no green cones) | #7B724C | 0.025 |
| Tritanopia (no blue cones) | #8F6463 | 0.048 |
| Achromatopsia (no color) | #707070 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866B4B
#866B4B
oklch(54.6% 0.057 70.9)
- #577391
#577391
oklch(54.6% 0.057 250.6)
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 #866B4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Brown #876E4B ΔE 0.009
- Dirt #8A6E45 ΔE 0.015
- Dark Taupe #7F684E ΔE 0.016
- Grey Brown #7F7053 ΔE 0.017
- Dirt Brown #836539 ΔE 0.025
- Cocoa #875F42 ΔE 0.032
- Sepia #985E2B ΔE 0.047
- Earth #A2653E ΔE 0.049
Use #866B4B 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.