#866B3F
Closest named color: Dirt (#8A6E45). oklch(54.4% 0.07 78.7), rgb(134, 107, 63).
Aa
White text reads best on this color (5.01:1).
About this color
#866B3F is a medium-dark, muted brown. In OKLCH its lightness is 54%, its chroma 0.070 and its hue 79°. Its hue sits on the warm side of the wheel. The nearest named color is Dirt (#8A6E45), ΔE 0.012 away. White text reads best on it, at 5.01:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Dirt (#8A6E45) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #866B3F |
| RGB | rgb(134, 107, 63) |
| HSL | hsl(37, 36%, 39%) |
| OKLCH | oklch(54.4% 0.07 78.7) |
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 #866B3F | 5.01:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #866B3F | 4.18:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #866B3F text on white | 5.01:1 | AA | Lc 74.6 | Content text, not long reading |
| #866B3F text on black | 4.18:1 | AA large text | Lc -27.1 | 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
#EDE9E3
oklch(93.5% 0.009 78.3)
-
Step 200
200
#DFD8CD
oklch(88.5% 0.017 79.3)
-
Step 300
300
#CCBFAA
oklch(81% 0.032 79.9)
-
Step 400
400
#B29D7E
oklch(70.6% 0.05 77.4)
-
Step 500
500
#9F855D
oklch(63.1% 0.064 78)
-
Step 600
600 (this color)
#866B3F
oklch(54.4% 0.07 78.7)
-
Step 700
700
#755C34
oklch(49.1% 0.065 78.1)
-
Step 800
800
#5F4B2C
oklch(42.6% 0.053 77.5)
-
Step 900
900
#4E3F27
oklch(37.7% 0.043 78.7)
-
Step 950
950
#2E2517
oklch(27.1% 0.028 78.2)
#866B3F 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) | #766B3B | 0.028 |
| Deuteranopia (no green cones) | #7C7240 | 0.024 |
| Tritanopia (no blue cones) | #906360 | 0.061 |
| Achromatopsia (no color) | #6F6F6F | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866B3F
#866B3F
oklch(54.4% 0.07 78.7)
- #577199
#577199
oklch(54.5% 0.07 258.8)
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 #866B3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dirt #8A6E45 ΔE 0.012
- Dull Brown #876E4B ΔE 0.015
- Dirt Brown #836539 ΔE 0.018
- Grey Brown #7F7053 ΔE 0.025
- Dark Taupe #7F684E ΔE 0.026
- Cocoa #875F42 ΔE 0.035
- Muddy Brown #886806 ΔE 0.041
- Sepia #985E2B ΔE 0.042
Use #866B3F 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.