#866D63
Closest named color: Grey Brown (#7F7053). oklch(55.6% 0.035 42.9), rgb(134, 109, 99).
Aa
White text reads best on this color (4.79:1).
About this color
#866D63 is a medium-dark, muted brown. In OKLCH its lightness is 56%, its chroma 0.035 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Grey Brown (#7F7053), ΔE 0.030 away. White text reads best on it, at 4.79:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Grey Brown (#7F7053) |
| Black text | 4.38:1 |
| White text | 4.79:1 |
Values
| HEX | #866D63 |
| RGB | rgb(134, 109, 99) |
| HSL | hsl(17, 15%, 46%) |
| OKLCH | oklch(55.6% 0.035 42.9) |
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 #866D63 | 4.79:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #866D63 | 4.38:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #866D63 text on white | 4.79:1 | AA | Lc 73.3 | Content text, not long reading |
| #866D63 text on black | 4.38:1 | AA large text | Lc -28.4 | 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
#EDE9E7
oklch(93.7% 0.005 48.7)
-
Step 200
200
#DED7D4
oklch(88.4% 0.009 44.9)
-
Step 300
300
#CABEB9
oklch(81% 0.015 44.1)
-
Step 400
400
#AF9C94
oklch(70.7% 0.025 44.2)
-
Step 500
500
#9B847A
oklch(63.2% 0.032 44.9)
-
Step 600
600 (this color)
#866D63
oklch(55.6% 0.035 42.9)
-
Step 700
700
#715B52
oklch(49.1% 0.032 43.4)
-
Step 800
800
#5C4A43
oklch(42.6% 0.027 42.3)
-
Step 900
900
#4C3E39
oklch(37.7% 0.021 40.6)
-
Step 950
950
#2C2421
oklch(26.8% 0.013 41.6)
#866D63 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) | #736F62 | 0.031 |
| Deuteranopia (no green cones) | #797463 | 0.028 |
| Tritanopia (no blue cones) | #8D696A | 0.021 |
| Achromatopsia (no color) | #727272 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866D63
#866D63
oklch(55.6% 0.035 42.9)
- #5D7883
#5D7883
oklch(55.6% 0.036 224.7)
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 #866D63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Brown #7F7053 ΔE 0.030
- Dark Taupe #7F684E ΔE 0.033
- Dull Brown #876E4B ΔE 0.035
- Dirt #8A6E45 ΔE 0.042
- Reddish Grey #997570 ΔE 0.043
- Cocoa #875F42 ΔE 0.049
- Dim Gray #696969 ΔE 0.050
- Purple Grey #866F85 ΔE 0.051
Use #866D63 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.