#866C5F
Closest named color: Grey Brown (#7F7053). oklch(55.3% 0.039 48), rgb(134, 108, 95).
Aa
White text reads best on this color (4.85:1).
About this color
#866C5F is a medium-dark, muted brown. In OKLCH its lightness is 55%, its chroma 0.039 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Grey Brown (#7F7053), ΔE 0.027 away. White text reads best on it, at 4.85:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Grey Brown (#7F7053) |
| Black text | 4.32:1 |
| White text | 4.85:1 |
Values
| HEX | #866C5F |
| RGB | rgb(134, 108, 95) |
| HSL | hsl(20, 17%, 45%) |
| OKLCH | oklch(55.3% 0.039 48) |
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 #866C5F | 4.85:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #866C5F | 4.32:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #866C5F text on white | 4.85:1 | AA | Lc 73.7 | Content text, not long reading |
| #866C5F text on black | 4.32:1 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E7
oklch(93.7% 0.005 48.7)
-
Step 200
200
#DFD7D4
oklch(88.5% 0.01 41.9)
-
Step 300
300
#CBBEB7
oklch(81% 0.018 50.4)
-
Step 400
400
#B09C92
oklch(70.7% 0.028 48.3)
-
Step 500
500
#9C8377
oklch(63% 0.036 47.1)
-
Step 600
600 (this color)
#866C5F
oklch(55.3% 0.039 48)
-
Step 700
700
#725B4F
oklch(49.1% 0.036 49)
-
Step 800
800
#5D4A41
oklch(42.6% 0.03 46.7)
-
Step 900
900
#4C3E37
oklch(37.6% 0.023 48.1)
-
Step 950
950
#2D2420
oklch(26.9% 0.016 45.3)
#866C5F 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) | #736E5E | 0.031 |
| Deuteranopia (no green cones) | #79745F | 0.030 |
| Tritanopia (no blue cones) | #8D6868 | 0.024 |
| Achromatopsia (no color) | #717171 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866C5F
#866C5F
oklch(55.3% 0.039 48)
- #5B7784
#5B7784
oklch(55.2% 0.038 228)
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 #866C5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Brown #7F7053 ΔE 0.027
- Dark Taupe #7F684E ΔE 0.028
- Dull Brown #876E4B ΔE 0.030
- Dirt #8A6E45 ΔE 0.038
- Cocoa #875F42 ΔE 0.044
- Reddish Grey #997570 ΔE 0.046
- Dirt Brown #836539 ΔE 0.049
- Dim Gray #696969 ΔE 0.050
Use #866C5F 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.