#A66933
Closest named color: Earth (#A2653E). oklch(57.6% 0.104 59.8), rgb(166, 105, 51).
Aa
Black text reads best on this color (4.68:1).
About this color
#A66933 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.104 and its hue 60°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.019 away. Black text reads best on it, at 4.68:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.68:1 |
| White text | 4.47:1 |
Values
| HEX | #A66933 |
| RGB | rgb(166, 105, 51) |
| HSL | hsl(28, 53%, 43%) |
| OKLCH | oklch(57.6% 0.104 59.8) |
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 #A66933 | 4.47:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #A66933 | 4.68:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #A66933 text on white | 4.47:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #A66933 text on black | 4.68:1 | AA | Lc -30.8 | 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
#E7D6C8
oklch(88.6% 0.027 62)
-
Step 300
300
#D8BAA3
oklch(80.9% 0.047 59.5)
-
Step 400
400
#C49671
oklch(70.8% 0.075 60)
-
Step 500
500
#B47B4B
oklch(63.1% 0.096 59.9)
-
Step 600
600 (this color)
#A66933
oklch(57.6% 0.104 59.8)
-
Step 700
700
#88521F
oklch(49.1% 0.097 60.3)
-
Step 800
800
#6F431C
oklch(42.7% 0.081 59.3)
-
Step 900
900
#5A391D
oklch(37.7% 0.063 59.5)
-
Step 950
950
#352212
oklch(27.1% 0.04 60.1)
#A66933 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) | #7C6F2D | 0.075 |
| Deuteranopia (no green cones) | #8A7D33 | 0.069 |
| Tritanopia (no blue cones) | #B55C5D | 0.075 |
| Achromatopsia (no color) | #777777 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66933
#A66933
oklch(57.6% 0.104 59.8)
- #3581B0
#3581B0
oklch(57.7% 0.104 239.4)
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 #A66933, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.019
- Copper #B66325 ΔE 0.030
- Umber #B26400 ΔE 0.031
- Raw Umber #A75E09 ΔE 0.031
- Leather #AC7434 ΔE 0.031
- Orangey Brown #B16002 ΔE 0.031
- Clay Brown #B2713D ΔE 0.032
- Caramel #AF6F09 ΔE 0.036
Use #A66933 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.