#A66820
Closest named color: Umber (#B26400). oklch(57.3% 0.115 64.9), rgb(166, 104, 32).
Aa
Black text reads best on this color (4.62:1).
About this color
#A66820 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.115 and its hue 65°. Its hue sits on the warm side of the wheel. The nearest named color is Umber (#B26400), ΔE 0.023 away. Black text reads best on it, at 4.62:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Umber (#B26400) |
| Black text | 4.62:1 |
| White text | 4.54:1 |
Values
| HEX | #A66820 |
| RGB | rgb(166, 104, 32) |
| HSL | hsl(32, 68%, 39%) |
| OKLCH | oklch(57.3% 0.115 64.9) |
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 #A66820 | 4.54:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #A66820 | 4.62:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #A66820 text on white | 4.54:1 | AA | Lc 71.3 | Content text, not long reading |
| #A66820 text on black | 4.62:1 | AA | Lc -30.4 | 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
#F9F5F1
oklch(97.2% 0.007 67.7)
-
Step 100
100
#F1E8E0
oklch(93.6% 0.015 64.3)
-
Step 200
200
#E7D6C6
oklch(88.6% 0.029 65.7)
-
Step 300
300
#D9BA9E
oklch(80.9% 0.052 64.1)
-
Step 400
400
#C59669
oklch(70.7% 0.083 64.6)
-
Step 500
500
#B57B3E
oklch(63% 0.106 65.1)
-
Step 600
600 (this color)
#A66820
oklch(57.3% 0.115 64.9)
-
Step 700
700
#895208
oklch(49.1% 0.107 65.4)
-
Step 800
800
#70430E
oklch(42.7% 0.089 64.3)
-
Step 900
900
#5A3915
oklch(37.6% 0.068 65.1)
-
Step 950
950
#35220E
oklch(27.1% 0.043 65.6)
#A66820 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) | #7C6D14 | 0.076 |
| Deuteranopia (no green cones) | #8A7C21 | 0.069 |
| Tritanopia (no blue cones) | #B65A5A | 0.087 |
| Achromatopsia (no color) | #767676 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66820
#A66820
oklch(57.3% 0.115 64.9)
- #337EB7
#337EB7
oklch(57.3% 0.115 244.9)
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 #A66820, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Umber #B26400 ΔE 0.023
- Raw Umber #A75E09 ΔE 0.024
- Orangey Brown #B16002 ΔE 0.025
- Caramel #AF6F09 ΔE 0.028
- Raw Sienna #9A6200 ΔE 0.031
- Earth #A2653E ΔE 0.031
- Copper #B66325 ΔE 0.032
- Leather #AC7434 ΔE 0.034
Use #A66820 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.