#866D4F
Closest named color: Dull Brown (#876E4B). oklch(55.1% 0.054 71.4), rgb(134, 109, 79).
Aa
White text reads best on this color (4.86:1).
About this color
#866D4F is a medium-dark, muted brown. In OKLCH its lightness is 55%, its chroma 0.054 and its hue 71°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Brown (#876E4B), ΔE 0.007 away. White text reads best on it, at 4.86:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Dull Brown (#876E4B) |
| Black text | 4.31:1 |
| White text | 4.86:1 |
Values
| HEX | #866D4F |
| RGB | rgb(134, 109, 79) |
| HSL | hsl(33, 26%, 42%) |
| OKLCH | oklch(55.1% 0.054 71.4) |
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 #866D4F | 4.86:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #866D4F | 4.31:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #866D4F text on white | 4.86:1 | AA | Lc 73.7 | Content text, not long reading |
| #866D4F text on black | 4.31:1 | AA large text | Lc -28.0 | 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 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
#DFD8D0
oklch(88.6% 0.013 71.3)
-
Step 300
300
#CBBEB0
oklch(80.8% 0.024 69.5)
-
Step 400
400
#B09D87
oklch(70.7% 0.038 71.2)
-
Step 500
500
#9D8569
oklch(63.1% 0.049 71.1)
-
Step 600
600 (this color)
#866D4F
oklch(55.1% 0.054 71.4)
-
Step 700
700
#735C41
oklch(49.1% 0.05 70.7)
-
Step 800
800
#5D4B36
oklch(42.6% 0.041 70.7)
-
Step 900
900
#4D3F2F
oklch(37.8% 0.032 70.3)
-
Step 950
950
#2D251C
oklch(27.1% 0.02 70.1)
#866D4F 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) | #766E4D | 0.027 |
| Deuteranopia (no green cones) | #7C7450 | 0.024 |
| Tritanopia (no blue cones) | #8F6765 | 0.044 |
| Achromatopsia (no color) | #717171 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866D4F
#866D4F
oklch(55.1% 0.054 71.4)
- #5B7491
#5B7491
oklch(55.1% 0.054 252.5)
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 #866D4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Brown #876E4B ΔE 0.007
- Grey Brown #7F7053 ΔE 0.013
- Dirt #8A6E45 ΔE 0.015
- Dark Taupe #7F684E ΔE 0.019
- Dirt Brown #836539 ΔE 0.031
- Cocoa #875F42 ΔE 0.037
- Mocha #9D7651 ΔE 0.048
- Earth #A2653E ΔE 0.050
Use #866D4F 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.