#866E37
Closest named color: Dirt (#8A6E45). oklch(54.9% 0.079 86.1), rgb(134, 110, 55).
Aa
White text reads best on this color (4.88:1).
About this color
#866E37 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.079 and its hue 86°. Its hue sits on the warm side of the wheel. The nearest named color is Dirt (#8A6E45), ΔE 0.019 away. White text reads best on it, at 4.88:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Dirt (#8A6E45) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #866E37 |
| RGB | rgb(134, 110, 55) |
| HSL | hsl(42, 42%, 37%) |
| OKLCH | oklch(54.9% 0.079 86.1) |
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 #866E37 | 4.88:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #866E37 | 4.29:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #866E37 text on white | 4.88:1 | AA | Lc 73.8 | Content text, not long reading |
| #866E37 text on black | 4.29:1 | AA large text | Lc -27.9 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EDE9E2
oklch(93.5% 0.01 81.8)
-
Step 200
200
#DFD8CB
oklch(88.4% 0.019 83.1)
-
Step 300
300
#CBBFA7
oklch(80.8% 0.035 84.6)
-
Step 400
400
#B09F78
oklch(70.7% 0.057 87.2)
-
Step 500
500
#9D8755
oklch(63.2% 0.073 86.6)
-
Step 600
600 (this color)
#866E37
oklch(54.9% 0.079 86.1)
-
Step 700
700
#735E2B
oklch(49.2% 0.074 87)
-
Step 800
800
#5E4D25
oklch(42.8% 0.061 86.7)
-
Step 900
900
#4D4023
oklch(37.8% 0.048 86)
-
Step 950
950
#2D2515
oklch(26.9% 0.03 84)
#866E37 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) | #796D32 | 0.023 |
| Deuteranopia (no green cones) | #7F7439 | 0.019 |
| Tritanopia (no blue cones) | #906661 | 0.070 |
| Achromatopsia (no color) | #717171 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866E37
#866E37
oklch(54.9% 0.079 86.1)
- #5C70A0
#5C70A0
oklch(54.9% 0.079 266.5)
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 #866E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dirt #8A6E45 ΔE 0.019
- Dull Brown #876E4B ΔE 0.024
- Dirt Brown #836539 ΔE 0.027
- Muddy Brown #886806 ΔE 0.032
- Grey Brown #7F7053 ΔE 0.033
- Dark Taupe #7F684E ΔE 0.039
- Hazel #8E7618 ΔE 0.040
- Raw Sienna #9A6200 ΔE 0.046
Use #866E37 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.