#866E64
Closest named color: Grey Brown (#7F7053). oklch(55.8% 0.034 43.8), rgb(134, 110, 100).
Aa
White text reads best on this color (4.74:1).
About this color
#866E64 is a medium-dark, muted brown. In OKLCH its lightness is 56%, its chroma 0.034 and its hue 44°. 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 4.74:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Grey Brown (#7F7053) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #866E64 |
| RGB | rgb(134, 110, 100) |
| HSL | hsl(18, 15%, 46%) |
| OKLCH | oklch(55.8% 0.034 43.8) |
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 #866E64 | 4.74:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #866E64 | 4.42:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #866E64 text on white | 4.74:1 | AA | Lc 72.9 | Content text, not long reading |
| #866E64 text on black | 4.42:1 | AA large text | Lc -28.8 | 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
#DED7D5
oklch(88.4% 0.008 36.6)
-
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)
#866E64
oklch(55.8% 0.034 43.8)
-
Step 700
700
#715B52
oklch(49.1% 0.032 43.4)
-
Step 800
800
#5C4B43
oklch(42.8% 0.027 46.6)
-
Step 900
900
#4B3E39
oklch(37.6% 0.02 42.2)
-
Step 950
950
#2C2521
oklch(27.1% 0.013 51.6)
#866E64 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) | #747063 | 0.029 |
| Deuteranopia (no green cones) | #797564 | 0.028 |
| Tritanopia (no blue cones) | #8D6A6B | 0.021 |
| Achromatopsia (no color) | #737373 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866E64
#866E64
oklch(55.8% 0.034 43.8)
- #5F7983
#5F7983
oklch(55.9% 0.034 223.3)
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 #866E64, 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 0.034
- Dull Brown #876E4B ΔE 0.035
- Reddish Grey #997570 ΔE 0.041
- Dirt #8A6E45 ΔE 0.043
- Medium Grey #7D7F7C ΔE 0.050
- Battleship Gray #6C757D ΔE 0.050
- Purple Grey #866F85 ΔE 0.050
Use #866E64 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.