#A66834
Closest named color: Earth (#A2653E). oklch(57.5% 0.104 58.4), rgb(166, 104, 52).
Aa
Black text reads best on this color (4.65:1).
About this color
#A66834 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.104 and its hue 58°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.017 away. Black text reads best on it, at 4.65:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.65:1 |
| White text | 4.51:1 |
Values
| HEX | #A66834 |
| RGB | rgb(166, 104, 52) |
| HSL | hsl(27, 52%, 43%) |
| OKLCH | oklch(57.5% 0.104 58.4) |
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 #A66834 | 4.51:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #A66834 | 4.65:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #A66834 text on white | 4.51:1 | AA | Lc 71.1 | Content text, not long reading |
| #A66834 text on black | 4.65:1 | AA | Lc -30.6 | Non-text elements, placeholder text |
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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F1E8E1
oklch(93.6% 0.014 60.6)
-
Step 200
200
#E7D5C9
oklch(88.4% 0.026 56)
-
Step 300
300
#D8BAA3
oklch(80.9% 0.047 59.5)
-
Step 400
400
#C49572
oklch(70.6% 0.074 57.9)
-
Step 500
500
#B57A4C
oklch(63% 0.096 57.8)
-
Step 600
600 (this color)
#A66834
oklch(57.5% 0.104 58.4)
-
Step 700
700
#895121
oklch(49.1% 0.097 57.9)
-
Step 800
800
#6F431D
oklch(42.7% 0.08 58.8)
-
Step 900
900
#5A391E
oklch(37.7% 0.062 58.6)
-
Step 950
950
#352112
oklch(26.9% 0.04 56.9)
#A66834 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) | #7B6E2F | 0.076 |
| Deuteranopia (no green cones) | #897C34 | 0.070 |
| Tritanopia (no blue cones) | #B55B5C | 0.073 |
| Achromatopsia (no color) | #767676 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66834
#A66834
oklch(57.5% 0.104 58.4)
- #3281AF
#3281AF
oklch(57.6% 0.104 238.1)
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 #A66834, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.017
- Copper #B66325 ΔE 0.030
- Raw Umber #A75E09 ΔE 0.030
- Orangey Brown #B16002 ΔE 0.031
- Umber #B26400 ΔE 0.031
- Clay Brown #B2713D ΔE 0.033
- Leather #AC7434 ΔE 0.034
- Sepia #985E2B ΔE 0.038
Use #A66834 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.