#664211
Closest named color: Mud Brown (#60460F). oklch(41.1% 0.079 69.7), rgb(102, 66, 17).
Aa
White text reads best on this color (8.92:1).
About this color
#664211 is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.079 and its hue 70°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.016 away. White text reads best on it, at 8.92:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.35:1 |
| White text | 8.92:1 |
Values
| HEX | #664211 |
| RGB | rgb(102, 66, 17) |
| HSL | hsl(35, 71%, 23%) |
| OKLCH | oklch(41.1% 0.079 69.7) |
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 #664211 | 8.92:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #664211 | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #664211 text on white | 8.92:1 | AAA | Lc 90.3 | Preferred for body text |
| #664211 text on black | 2.35:1 | Fails | Lc -12.0 | Not readable |
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 800.
-
Step 50
50
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E8E0
oklch(93.5% 0.014 67.7)
-
Step 200
200
#E5D7C7
oklch(88.6% 0.027 71.2)
-
Step 300
300
#D5BCA1
oklch(80.9% 0.047 69.3)
-
Step 400
400
#BF996D
oklch(70.8% 0.075 70.2)
-
Step 500
500
#AE7F45
oklch(63.1% 0.095 70.4)
-
Step 600
600
#9A6725
oklch(55.6% 0.103 69.2)
-
Step 700
700
#835617
oklch(49.2% 0.096 70.2)
-
Step 800
800 (this color)
#664211
oklch(41.1% 0.079 69.7)
-
Step 900
900
#573B19
oklch(37.7% 0.063 69.1)
-
Step 950
950
#332310
oklch(27.1% 0.039 69.6)
#664211 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) | #4E4409 | 0.047 |
| Deuteranopia (no green cones) | #574D12 | 0.041 |
| Tritanopia (no blue cones) | #703938 | 0.064 |
| Achromatopsia (no color) | #4A4A4A | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #664211
#664211
oklch(41.1% 0.079 69.7)
- #254D74
#254D74
oklch(41.1% 0.08 249.8)
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 #664211, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.016
- Green Brown #544E03 ΔE 0.050
- Olive Brown #645403 ΔE 0.055
- Milk Chocolate #7F4E1E ΔE 0.062
- Chestnut #742802 ΔE 0.064
- Medium Brown #7F5112 ΔE 0.067
- Purple Brown #673A3F ΔE 0.070
- Saddle Brown #8B4513 ΔE 0.074
Use #664211 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.