#866B57
Closest named color: Dark Taupe (#7F684E). oklch(54.9% 0.046 58.1), rgb(134, 107, 87).
Aa
White text reads best on this color (4.93:1).
About this color
#866B57 is a medium-dark, muted brown. In OKLCH its lightness is 55%, its chroma 0.046 and its hue 58°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Taupe (#7F684E), ΔE 0.019 away. White text reads best on it, at 4.93:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Dark Taupe (#7F684E) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #866B57 |
| RGB | rgb(134, 107, 87) |
| HSL | hsl(26, 21%, 43%) |
| OKLCH | oklch(54.9% 0.046 58.1) |
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 #866B57 | 4.93:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #866B57 | 4.25:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #866B57 text on white | 4.93:1 | AA | Lc 74.2 | Content text, not long reading |
| #866B57 text on black | 4.25:1 | AA large text | Lc -27.5 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E6
oklch(93.6% 0.006 59.6)
-
Step 200
200
#DFD7D2
oklch(88.4% 0.011 54.5)
-
Step 300
300
#CBBEB4
oklch(80.9% 0.02 60.1)
-
Step 400
400
#B19C8D
oklch(70.7% 0.033 57.7)
-
Step 500
500
#9D8471
oklch(63.1% 0.041 59.2)
-
Step 600
600 (this color)
#866B57
oklch(54.9% 0.046 58.1)
-
Step 700
700
#735B49
oklch(49% 0.042 58.4)
-
Step 800
800
#5E4A3C
oklch(42.6% 0.035 56.6)
-
Step 900
900
#4D3E33
oklch(37.6% 0.028 58)
-
Step 950
950
#2D241E
oklch(26.9% 0.017 55.5)
#866B57 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) | #736D56 | 0.031 |
| Deuteranopia (no green cones) | #797357 | 0.030 |
| Tritanopia (no blue cones) | #8E6666 | 0.033 |
| Achromatopsia (no color) | #707070 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866B57
#866B57
oklch(54.9% 0.046 58.1)
- #587589
#587589
oklch(54.7% 0.046 238.8)
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 #866B57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Taupe #7F684E ΔE 0.019
- Grey Brown #7F7053 ΔE 0.020
- Dull Brown #876E4B ΔE 0.021
- Dirt #8A6E45 ΔE 0.029
- Cocoa #875F42 ΔE 0.036
- Dirt Brown #836539 ΔE 0.038
- Earth #A2653E ΔE 0.053
- Reddish Grey #997570 ΔE 0.053
Use #866B57 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.