#866B31
Closest named color: Dirt Brown (#836539). oklch(54.2% 0.083 84.3), rgb(134, 107, 49).
Aa
White text reads best on this color (5.04:1).
About this color
#866B31 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.083 and its hue 84°. Its hue sits on the warm side of the wheel. The nearest named color is Dirt Brown (#836539), ΔE 0.022 away. White text reads best on it, at 5.04:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Dirt Brown (#836539) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #866B31 |
| RGB | rgb(134, 107, 49) |
| HSL | hsl(41, 46%, 36%) |
| OKLCH | oklch(54.2% 0.083 84.3) |
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 #866B31 | 5.04:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #866B31 | 4.16:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #866B31 text on white | 5.04:1 | AA | Lc 74.8 | Content text, not long reading |
| #866B31 text on black | 4.16:1 | AA large text | Lc -26.9 | 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
#E0D8CA
oklch(88.5% 0.021 81.8)
-
Step 300
300
#CCBFA6
oklch(80.9% 0.037 83.8)
-
Step 400
400
#B29E76
oklch(70.7% 0.06 84.4)
-
Step 500
500
#9F8652
oklch(63.1% 0.076 84.6)
-
Step 600
600 (this color)
#866B31
oklch(54.2% 0.083 84.3)
-
Step 700
700
#755D28
oklch(49.1% 0.077 84.8)
-
Step 800
800
#5F4C22
oklch(42.7% 0.064 85.1)
-
Step 900
900
#4E3F21
oklch(37.6% 0.05 83.5)
-
Step 950
950
#2E2514
oklch(27% 0.032 82.6)
#866B31 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) | #776B2B | 0.027 |
| Deuteranopia (no green cones) | #7E7233 | 0.022 |
| Tritanopia (no blue cones) | #91625E | 0.075 |
| Achromatopsia (no color) | #6F6F6F | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #866B31
#866B31
oklch(54.2% 0.083 84.3)
- #576EA0
#576EA0
oklch(54.1% 0.083 264.9)
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 #866B31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dirt Brown #836539 ΔE 0.022
- Dirt #8A6E45 ΔE 0.024
- Muddy Brown #886806 ΔE 0.026
- Dull Brown #876E4B ΔE 0.029
- Grey Brown #7F7053 ΔE 0.038
- Dark Taupe #7F684E ΔE 0.040
- Raw Sienna #9A6200 ΔE 0.041
- Hazel #8E7618 ΔE 0.043
Use #866B31 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.